Harryxun/stf_run huggingface dataset:
from sys import stdin
N, X = [int(x) for x in stdin.readline().rstrip().split()]

heights = [1]
putties = [1]
for _ in range(N):
    heights.append(heights[-1] * 2 + 3)
    putties.append(putties[-1] * 2 + 1)


def solve(n, x):
    if x == 1:
        return 0
    elif 1 < x <= 1+heights[n-1]:
        return solve(n-1, x-1)
    elif x == 2+heights[n-1]:
        return 1+putties[n-1]
    elif 2+heights[n-1] < x < 2+2*heights[n-1]:
        return putties[n-1]+1+solve(n-1,x-2-heights[n-1]) 
    elif x == 3+2*heights[n-1]:
        return 2*putties[n-1]+1
print(solve(N, X))

### FIXED CODE ###

from sys import stdin
N, X = [int(x) for x in stdin.readline().rstrip().split()]

heights = [1]
putties = [1]
for _ in range(N):
    heights.append(heights[-1] * 2 + 3)
    putties.append(putties[-1] * 2 + 1)


def solve(n, x):
    if n == 0 and x == 1:
        return 1
    elif x == 1:
        return 0
    elif 1 < x <= 1+heights[n-1]:
        return solve(n-1, x-1)
    elif x == 2+heights[n-1]:
        return 1+putties[n-1]
    elif 2+heights[n-1] < x <= 2+2*heights[n-1]:
        return putties[n-1]+1+solve(n-1,x-2-heights[n-1]) 
    elif x == 3+2*heights[n-1]:
        return 2*putties[n-1]+1
print(solve(N, X))
import bisect

X,Y,Z,K = list(map(int,input().split()))
AA = list(map(int,input().split()))
BB = list(map(int,input().split()))
CC = list(map(int,input().split()))
MAX = max(max(AA),max(BB),max(CC))

AB = []
for a in AA:
  for b in BB:
    AB.append(a+b)
    
AB.sort()
XY = len(AB)

def check(n):
  cnt = 0
  for c in CC:
    cnt += (XY - bisect.bisect_left(AB,n-c))
  return cnt >= K

OK = 0
NG = MAX*3+100
while NG - OK >1:
  mid = (OK+NG)//2
  if check(mid):
    OK = mid
  else:
    NG = mid
    
    
ans = []
for c in CC:
    n = bisect.bisect_left(AB,OK-c)
    for i in range(n,XY):
      ans.append(c+AB[i])
      
ans.sort(reverse=True)
for YUI in ans:
  print(

### FIXED CODE ###

import bisect

X,Y,Z,K = list(map(int,input().split()))
AA = list(map(int,input().split()))
BB = list(map(int,input().split()))
CC = list(map(int,input().split()))
MAX = max(max(AA),max(BB),max(CC))

AB = []
for a in AA:
  for b in BB:
    AB.append(a+b)
    
AB.sort()
XY = len(AB)

def check(n):
  cnt = 0
  for c in CC:
    cnt += (XY - bisect.bisect_left(AB,n-c))
  return cnt >= K

OK = 0
NG = MAX*3+100
while NG - OK >1:
  mid = (OK+NG)//2
  if check(mid):
    OK = mid
  else:
    NG = mid
    
    
ans = []
for c in CC:
    n = bisect.bisect_left(AB,OK-c)
    for i in range(n,XY):
      ans.append(c+AB[i])
      
ans.sort(reverse=True)
for YUI in range(K):
  print(ans[YUI])
x = int(input()) if x==0:     print("1") else:     print("0")

### FIXED CODE ###

x= int(input())
if x==0:
  print("1")
else: 
  print("0")
_ = raw_input()
tests = [int(test) for test in raw_input().split(" ")]
total_time = sum(tests)
drinks = raw_input()
for _ in range(drinks):
    i = raw_input().split(" ")
    no, time = i[0], i[1]
    print total_time - (tests[no] - time)


### FIXED CODE ###

s = raw_input()
print eval(s)
s = input() + "T"
x, y = map(int, input().split())
N = len(s)



for i in range(N):
    if s[i] == "F":
        x -= 1
    else:
        cnt_Y = True
        index = i + 1
        break

steps_X = []
steps_Y = []

while index < N:
    cnt = 0
    for j in range(index, N):
        if s[j] == "F":
            cnt += 1
        else:
            if cnt_Y and cnt != 0:
                steps_Y.append(cnt)
            elif not cnt_Y and cnt != 0:
                steps_X.append(cnt)
            cnt_Y = not cnt_Y
            index = j
            break
    index += 1
    
K = 10000
dp = [set() for _ in range(K)]
dp[0].add(0)

for i, t in enumerate(steps_X):
    for tmp in dp[i]:
        dp[i+1].add(tmp+t)
        dp[i+1].add(tmp-t)

# print(dp[len(steps_X)])
if x not in dp[len(steps_X)]:
    print("No")
    import sys
    sys.exit()

dp = [set() for _ in range(K)]
dp[0].add(0)
for i, t in enumerate(steps_Y):
    for tmp in dp[i]:
        dp[i+1].add(tmp+t)
        dp[i+1].add(tmp-t)

if y not in dp[len(steps_Y)]:
    print("No")
    import sys
    sys.exit()


print("Yes")


### FIXED CODE ###

N = int(input())
A = [int(n) for n in input().split()]

from collections import Counter

cnt = Counter(A)

res = 0
for k, v in cnt.items():
    if k <= v:
        res += v-k
    else:
        res += v

print(res)
from collections import deque

N, M, K = list(map(int, input().split()))
A = list(map(int, input().split()))
B = list(map(int, input().split()))
# print(N, M, K)
# print(A)
# print(B)
A = deque(A)
B = deque(B)

num_books = 0
remaining_time = K

while True:
    consumption = 0

    if len(A) == 0 and len(B) == 0: break

    if len(A) == 0:
        consumption = B.popleft()
    elif len(B) == 0:
        consumption = A.popleft()
    elif A[0] == B[0]:
        if A[1] < B[1]:
            consumption = A.popleft()
        elif: 
            consumption = B.popleft()
    elif A[0] < B[0]:
        consumption = A.popleft()
    else:
        consumption = B.popleft()
    # print(consumption)
    
    remaining_time -= consumption
    if remaining_time < 0: break

    num_books += 1

print(num_books)
    


### FIXED CODE ###

from collections import deque

N, M, K = list(map(int, input().split()))
A = list(map(int, input().split()))
B = list(map(int, input().split()))
# print(N, M, K)
# print(A)
# print(B)


consumptions_A = [0]
for i in range(len(A)):
    consumptions_A.append(consumptions_A[i] + A[i])

consumptions_B = [0]
for i in range(len(B)):
    consumptions_B.append(consumptions_B[i] + B[i])

answer = 0
j = M
for i in range(len(consumptions_A)):
    if (consumptions_A[i] > K): break

    remaining_time = K - consumptions_A[i]
    while consumptions_B[j] > remaining_time:
        j -= 1
    
    num_books = i + j
    answer = max(answer, num_books)

print(answer)
N = int(input())
A = list[int,input().split()]
B = list[int,input().split()]
i = 0
for c in range(N):
  if A[c]>B[c]:
    i = i +A[c]-B[c]
print (i)

### FIXED CODE ###

N = int(input())
A = list(map(int,input().split()))
B = list(map(int,input().split()))
i = 0
for c in range(N):
  if A[c]>B[c]:
    i = i +A[c]-B[c]
print (i)
import numpy as np

def rec_z():
    for i in range(N):
        for j in range(a[i],Hmax+1):
            dp[j] = min(dp[j], dp[j-a[i]] + b[i])
    return min(dp[H:Hmax+1])


H, N = map(int,input().split())
a = []
b = []
for i in range(N):
    aa, bb = map(int, input().split())
    a.append(aa)
    b.append(bb)
Hmax = H + max(a)
INF = 10**9
dp = np.full(Hmax+1, INF, dtype=int)
dp[0] = 0
print(rec_z())

### FIXED CODE ###

def rec_z():
    for i in range(N):
        for j in range(Hmax+1):
            if j >= a[i]:
                dp[j] = min(dp[j], dp[j-a[i]] + b[i])
    return min(dp[H:Hmax+1])
 
 
H, N = map(int,input().split())
a = []
b = []
for i in range(N):
    aa, bb = map(int, input().split())
    a.append(aa)
    b.append(bb)
Hmax = H + max(a)
INF = 10**9
dp = [INF for _ in range(Hmax+1)] 
dp[0] = 0
print(rec_z())
n=int(input())

from numpy import array

i=0
o=array([0,0,0])
while i<n:
   t,x,y=map(int,input().split())
   z=array([t,x,y])
   w=z-o
   a,b=map(str,[w[0],w[1]+w[2]])

   if w[0]<w[1]+w[2]:
       print("No")
       break

   else:
       if (a+b)%2==0:
           o=o+w
           i=i+1
       else:
           print("No")
           break
else:
    print("Yes")

### FIXED CODE ###

n=int(input())

from numpy import array

i=0
o=array([0,0,0])
while i<n:
   c=list(map(int,input().split()))
   z=array(c)
   w=z-o
   a,b=map(int,[w[0],abs(w[1])+abs(w[2])])

   if a<b:
       print("No")
       break

   else:
       if (a+b)%2==0:
           o=z
           i=i+1
       else:
           print("No")
           break
else:
    print("Yes")
def main():
    N = int(input())
    points = []
    for _ in range(N):
        x, y = map(int, input().split())
        points.append((x, y, "r"))
    for _ in range(N):
        x, y = map(int, input().split())
        points.append((x, y, "b"))
    points.sort(lambda x: x[0])
    singles = []
    retval = 0
    for p in points:
        x, y, c = p
        if c == "r":
            singles.append(y)
        if c == "b":
            maximum = (-1, -1)
            for i, v in enumerate(singles):
                if v < y and v > maximum[1]:
                    maximum = (i, v)
            if maximum[0] != -1:
                retval += 1
                singles.pop(maximum[0])
    print(retval)


if __name__ == "__main__":
    main()


### FIXED CODE ###

def main():
    N = int(input())
    points = []
    for _ in range(N):
        x, y = map(int, input().split())
        points.append((x, y, "r"))
    for _ in range(N):
        x, y = map(int, input().split())
        points.append((x, y, "b"))
    points.sort(lambda x: x[0])
    singles = []
    retval = 0
    for p in points:
        x, y, c = p
        if c == "r":
            singles.append(y)
        if c == "b":
            maximum = (-1, -1)
            for i, v in enumerate(singles):
                if v < y and v > maximum[1]:
                    maximum = (i, v)
            if maximum[0] != -1:
                retval += 1
                singles.pop(maximum[0])
    print(retval)


if __name__ == "__main__":
    main()
print 1

### FIXED CODE ###

a, b, c, x, y = map(int, input().split())
res = 0
if a+b > c*2:
    mi = min(x, y)
    res += c*2 * mi
    x -= mi
    y -= mi
res += x * min(a, c*2)
res += y * min(b, c*2)
print(res)
a,b=map(int,input().split())

print(max(a*b,a-b,a+B))

### FIXED CODE ###

a,b=map(int,input().split())

print(max(a*b,a-b,a+b))
group_id = 0
groups = []

def solve(graphs, ps):
    global group_id, groups
    groups = [-1] * (len(ps) + 1)

    # (0, n]
    for key in range(1, len(ps) + 1):
        if groups[key] == -1:
            group_id += 1
            groups[key] = group_id
            dfs(graphs, key)

    ans = 0
    for key, value in enumerate(ps, 1):
        if groups[key] == groups[value]:
            ans += 1
    return ans

def dfs(graphs, key):
    global groups

    for graph_key in graphs[key]:
        if groups[graph_key] == -1:
            groups[graph_key] = group_id
            dfs(graphs, graph_key)

def main():
    n, m = map(int, input().split())
    ps = list(map(int, input().split()))

    # (0, n]
    graphs = [[] for i in range(n + 1)]
    for i in range(m):
        x, y = map(int, input().split())
        graphs[x].append(y)
        graphs[y].append(x)

    ans = solve(graphs, ps)
    print(ans)

if __name__ == "__main__":
    main()


### FIXED CODE ###

class UnionFind:
    def __init__(self, size):
        self.parent = list(range(size))
        self.rank = [0] * size

    def root(self, x):
        if self.parent[x] != x:
            self.parent[x] = self.root(self.parent[x])
        return self.parent[x]

    def unite(self, x, y):
        x = self.root(x)
        y = self.root(y)

        if x == y:
            return

        if self.rank[x] > self.rank[y]:
            self.parent[y] = x
        else:
            self.parent[x] = y
            if self.rank[x] == self.rank[y]:
                self.rank[y] += 1

    def same(self, x, y):
        return self.root(x) == self.root(y)


def main():
    n, m = map(int, input().split())
    ps = list(map(int, input().split()))

    # 1-origin
    union_find = UnionFind(n + 1)
    for i in range(m):
        x, y = map(int, input().split())
        union_find.unite(x, y)

    ans = 0
    for key, value in enumerate(ps, 1):
        if union_find.same(key, value):
            ans += 1
    print(ans)


if __name__ == "__main__":
    main()
s=input()
n=len(s)
prnt(max([n-i for i in range(0,n//2,2) if  s[:(n-i)//2]==s[(n-i)//2:-i]]))

### FIXED CODE ###

s=input()
n=len(s)
print(max([n-i for i in range(2,n,2)if s[:(n-i)//2]==s[(n-i)//2:-i]]))
n,t=map(int,input().split())
a=[]
b=[]
for i in range(n):
  a.append(int(input()))
  b.append(int(input()))
c=[]
for j in range(n):
  if b[j]>t:
    c.append(1001)
  else:
    c.append(a[j])
if c==[1001]*n:
  print('TLE')
else:
  print(min(c))

    

### FIXED CODE ###

n,t=map(int,input().split())
a=[]
b=[]
for i in range(n):
  s,u=map(int,input().split())
  a.append(s)
  b.append(u)
c=[]
for j in range(n):
  if b[j]>t:
    c.append(1001)
  else:
    c.append(a[j])
if c==[1001]*n:
  print('TLE')
else:
  print(min(c))
S = input()
N = len(S)

print("Yes" if S[:(N-1)/2]== sorted(S)[:(N-1)/2:-1] and S[(N+3)/2:]== sorted(S)[(N+3)/2::-1] else "No")


### FIXED CODE ###


S = input()
N = len(S)

S1 = S[:(N-1)//2]
S2 = S[(N+3)//2 - 1:]

print("Yes" if S == S[::-1] and S1 == S1[::-1] and S2== S2[::-1] else "No")
a = list(map(int, input().split()))

if a[0] =< a[1] =< a[2]:
    print('Yes')
else:
    print('No')


### FIXED CODE ###


a = list(map(int, input().split()))

if a[0] < a[1] < a[2]:
    print('Yes')
else:
    print('No')
n = input()
ans = "Good"
for i in range(3):
  if n[i] == n[i+1]:
    ans = "Bad
print(ans)
    

### FIXED CODE ###

s = input()
ans = "Good"
for i in range(3):
  if s[i] == s[i+1]:
    ans = "Bad"
print(ans)
from operator import itemgetter
H,N=map(int,input().split())
List=[]
A=0
B=0
C=10*10*10*10
D=0
for i in range(N):
    a,b=list(map(int,input().split()))
    c=a/b
    List.append((a,b,c))
List1=sorted(List,key=itemgetter(2))
List2=sorted(List,key=itemgetter(0))
for i in range(H):
    if A<H:
        h=H-A
        if h>=List1[N-1][0]:
            A=A+List1[N-1][0]
            B=B+List1[N-1][1]
        else:
            for j in range(N):
                if List2[j][0]>=h:
                    temp1=List2[j][0]
                    temp=List2[j][1]
                    if temp<=C:
                        C=temp
                        D=temp1
            B=B+C
            A=A+D
    elif A>=H:
        break
print(B)

### FIXED CODE ###

H,A=map(int,input().split())
B=H//A
if H%A==0:
    print(B)
else:
    print(B+1)
ABCD = []
for i in range(4):
    ticket = int(input())
    hodai = int(input())
    ABCD.append(min(ticket, hodai))

print(sum(ABCD))


### FIXED CODE ###

ABCD = []
for i in range(2):
    ticket = int(input())
    hodai = int(input())
    ABCD.append(min(ticket, hodai))

print(sum(ABCD))
Q = int(input())
for i in range(Q):
    S,W=[int(x) for x in input().split()]
    if W >= S:
        print('unsafe')
    else:
        print('safe')



### FIXED CODE ###

s,w=map(int,input().split())
if(s>w):print("safe")
else:print("unsafe")
a,b,c,d=map(int,input().split())
if b>=c:
    printabs((min(b,d)-max(a,c)))
else :
    print(0)


### FIXED CODE ###

a,b,c,d=map(int,input().split())
if b>c and a<d:
    print((min(b,d)-max(a,c)))
else :
    print(0)
input()
s = input()

def find_cost(s):
    counter, i, j = 0, 0, len(s)-1
    while i < j:
        while i < len(s) and s[i] != 'W':
                i += 1
        while j >= 0 and s[j] != 'R':
                j -= 1
        if i < j:
            s[i], s[j] = s[j], s[i]
            counter += 1
        i += 1
        j -= 1
    for i in range(0, len(s) - 2):
        if s[i] == 'W' and s[i + 1] == 'R':
            counter += 1
    print(counter)
s = list(s)
find_cost(s)

### FIXED CODE ###

print('Yes') if (int(input())) >= 30 else print('No')
import math
 
X=int(input())
def ans165(X:int):
    cash=100#当初の預金額
    count=0
    while True:
        # cash=int(cash*1.01) #元本に１パーセントの利子をつけ小数点以下切り捨て # WA
        # cash = cash * 1.01 * 100 // 100 # 1%の利子をつけて100倍した後に100で割って整数部のみ取り出す # WA
        # cash += cash * 0.01 * 100 // 100 # 1%の利子を計算して100倍した後に100で割って整数部のみ取り出す # WA
        # cash += cash // 100 # 元本に100で割った整数部を足す # AC
        # cash += math.floor(cash * 0.01) # WA
        # cash += math.floor(cash / 100) # WA
        # cash += math.floor(cash // 100) # AC
        cash += int(math.floor(cash / 100)
        count += 1#利子をつける回数だけcountを増やす
        if cash>=X:#cashがXの値以上になったらループ終了
            break
    return count
print(ans165(X))

### FIXED CODE ###

def atc_165b(X: int) -> int:
    savings = 100
    years = 0

    while savings < X:
        years += 1
        # savings += savings * 0.01 * 100 // 100
        savings += savings // 100
    return years

X = int(input())
print(atc_165b(X))
read=input();
A,B=map(int,read).spilt(' ')
if A>=0 and A<=5:
  print(0);
elif A>5 and A<=12:
  print(B/2);
else:
  print(B);

### FIXED CODE ###

read=input();
A,B=read.split(' ')
A=int(A)
B=int(B)
if A>12:
  print(B);
elif A>5:
  print(int(B/2));
else:
  print(0);
while 1:
  n=int(input())
  if not n:break
  f=1
  L={}
  for a,b,c in [input().split() for i in range(n)]:
    if a in L:
      if L[a]>=1e6:continue
      L[a]+=d
    else:L[a]=d
    if L[a]>=1e6:
      print(a)
      f=0
  if f:print('NA')

### FIXED CODE ###

while 1:
  n=int(input())
  if not n:break
  f=1
  L={}
  for a,b,c in [input().split() for i in range(n)]:
    d=int(b)*int(c)
    if a in L:
      if L[a]>=1e6:continue
      L[a]+=d
    else:L[a]=d
    if L[a]>=1e6:print(a);f=0
  if f:print('NA')
n, m, l = (int(i) for i in input().split())
A = []
B = []
C = [[0 for i in range(n)] for j in range(l)]
#??\?????????????????????????´?
for i in range(n):
    swap_list = input().split()
    A.append(swap_list)
for i in range(m):
    swap_list = input().split()
    B.append(swap_list)

#?????????????????????
for i in range(n):
    for j in range(l):
        for k in range(m):
            C[i][j] += int(A[i][k]) * int(B[k][j])
#?????????????????????
for i in range(n):
    print(" ".join(map(str,C[i][:])))

### FIXED CODE ###

n, m, l = (int(i) for i in input().split())
A = []
B = []
C = [[0 for i in range(l)] for j in range(n)]
#??\?????????????????????????´?
for i in range(n):
    swap_list = input().split()
    A.append(swap_list)
    #A.append([int(i) for i in input().split()])
for i in range(m):
    swap_list = input().split()
    B.append(swap_list)
    #B.append([int(i) for i in input().split()])
#????????????????¨????
for i in range(n):
    for j in range(l):
        for k in range(m):
            C[i][j] += int(A[i][k]) * int(B[k][j])
#?????????????????????
#for i in range(n):
#    for j in range(l):
#        print("{0}".format(C[i][j]), end="\b")
#    print("")
for i in range(n):
    print(" ".join(map(str, C[i][:])))
#for r in C:
#    print(" ".join([str(d) for d in r]))
# -*- coding: utf-8 -*-
import sys
from collections import defaultdict
from heapq import heappush,heappop,heapify

H,W=map(int, sys.stdin.readline().split())
CH,CW=map(int, sys.stdin.readline().split())
CH-=1
CW-=1
DH,DW=map(int, sys.stdin.readline().split())
DH-=1
DW-=1
S=[ sys.stdin.readline().strip() for _ in range(W) ]

D=[(0,1),(0,-1),(1,0),(-1,0)]
WARP=[(1,1),(-1,1),(1,-1),(-1,-1),(2,0),(-2,0),(0,2),(0,-2),(1,2),(-1,2),(1,-2),(-1,-2),(2,1),(-2,1),(2,-1),(-2,-1),(2,2),(-2,2),(2,-2),(-2,-2)]

#隣接リスト
al=defaultdict(lambda: [])

for h in range(H):
    for w in range(W):
        if S[h][w]=="#":
            continue
        for dh,dw in D:
            if 0<=h+dh<H and 0<=w+dw<W:
                if S[h+dh][w+dw]==".":
                    al[(h,w)].append((0,h+dh,w+dw))    #コスト,toの座標
        for dh,dw in WARP:
            if 0<=h+dh<H and 0<=w+dw<W:
                if S[h+dh][w+dw]==".":
                    al[(h,w)].append((1,h+dh,w+dw))    #コスト,toの座標 ワープはコスト1

d=defaultdict(lambda: float("inf"))    #(h,w):kyori スタート地点からその点までの距離

def dij(x,y):
	d[(x,y)]=0
	hq=[]
	heappush(hq,(0,x,y))
	while hq:
		cost,fro_x,fro_y=heappop(hq)
		for cost,to_x,to_y in al[(fro_x,fro_y)]:
			alt=d[(fro_x,fro_y)]+cost
			if alt<d[(to_x,to_y)]:
				d[(to_x,to_y)]=alt
				heappush(hq, (alt,to_x,to_y))

dij(CH,CW)
if d[(DH,DW)]==float("inf"):
    print -1
else:
    print d[(DH,DW)]


### FIXED CODE ###

# -*- coding: utf-8 -*-
import sys
from collections import defaultdict, deque

H,W=map(int, sys.stdin.readline().split())
CH,CW=map(int, sys.stdin.readline().split())
CH-=1
CW-=1
DH,DW=map(int, sys.stdin.readline().split())
DH-=1
DW-=1
S=[ sys.stdin.readline().strip() for _ in range(H) ]

D=[(0,1),(0,-1),(1,0),(-1,0)]
WARP=[]
for dh in range(-2,3):
    for dw in range(-2,3):
        if abs(dh)+abs(dw)<=1: continue
        WARP.append((dh,dw))

d=defaultdict(lambda: float("inf")) #スタート地点から各マスまでの距離

q=deque()
q.append((0,CH,CW))
d[(CH,CW)]=0

while q:
    kyori, fro_h, fro_w=q.popleft()
    if d[(fro_h, fro_w)]<kyori: continue
    #歩いて移動
    for dh,dw in D:
        to_h, to_w=fro_h+dh, fro_w+dw
        if 0<=to_h<H and 0<=to_w<W and S[to_h][to_w]==".":
            if kyori < d[(to_h, to_w)]:
                d[(to_h, to_w)]=kyori
                q.appendleft((kyori, to_h, to_w))
    #ワープ
    for dh,dw in WARP:
        to_h, to_w=fro_h+dh, fro_w+dw
        if 0<=to_h<H and 0<=to_w<W and S[to_h][to_w]==".":
            if kyori+1 < d[(to_h, to_w)]:
                d[(to_h, to_w)]=kyori+1
                q.append((kyori+1, to_h, to_w))

if d[(DH,DW)]==float("inf"):
    print -1
else:
    print d[(DH,DW)]
def main():
    k = input()
    s = input()
    if(len(s)<k):
        print(s)
    else:
        print(s[0:k] + '...')
    
 
main()

### FIXED CODE ###

def main():
    K = int(input())
    S = input()
    if(len(S)<=K):
        print(S)
    else:
        print(S[0:K] + '...')
    
 
main()
N, K = (int(i) for i in input().split())
A = [int(i) for i in input().split()]
L = [0]*N
P = [-1]*(2*10**5+1)
for i in range(2*N):
    j = i%N
    a = A[j]
    if P[a] == -1:
        P[a] = i
    else:
        L[P[a]] = j
        P[a] = j
s = 0
start = 0
v = [True]*N
h = [(0, 0)]
h_app = h.append
while v[start]:
    v[start] = False
    if start < L[start]:
        s += (L[start] - start +1)
    else:
        s += (L[start] - start +N +1)
    start = (L[start]+1)%N
    h_app((s, start))

r = (N*K)%s
import bisect
if r == 0:
    print("")
else:
    res = bisect.bisect(h, (r, 10**10))-1
    s, start = h[res]
    s = r-s
    ans = []
    P = [-1]*(2*10**5+1)
    if s:
        cou = 0
        for i in range(s):
            if P[A[(start+i)%N]] == -1:
                P[A[(start+i)%N]] = i
                ans.append(str(A[(start+i)%N]))
            else:
                sr = P[A[(start+i)%N]]
                P[A[(start+i)%N]] = -1
                for j in range(cou-sr):
                    ans.pop()
                cou = sr-1
            cou += 1
    print(" ".join(ans))

### FIXED CODE ###

import sys
input = sys.stdin.readline

N, K = (int(i) for i in input().split())
A = [int(i) for i in input().split()]
L = [0]*N
P = [-1]*(2*10**5+1)
for i in range(2*N):
    j = i%N
    a = A[j]
    if P[a] == -1:
        P[a] = i
    else:
        L[P[a]] = j
        P[a] = j
s = 0
start = 0
v = [True]*N
h = [(0, 0)]
h_app = h.append
while v[start]:
    v[start] = False
    if start < L[start]:
        s += (L[start] - start +1)
    else:
        s += (L[start] - start +N +1)
    start = (L[start]+1)%N
    h_app((s, start))

r = (N*K)%s
import bisect
if r == 0:
    print("")
else:
    res = bisect.bisect(h, (r, 10**10))-1
    s, start = h[res]
    s = r-s
    ans = []
    P = [-1]*(2*10**5+1)
    if s:
        cou = 0
        for i in range(s):
            if P[A[(start+i)%N]] == -1:
                P[A[(start+i)%N]] = cou
                ans.append(str(A[(start+i)%N]))
            else:
                sr = P[A[(start+i)%N]]
                P[A[(start+i)%N]] = -1
                for j in range(cou-sr):
                    a = ans.pop()
                    P[int(a)] = -1
                cou = sr-1
            cou += 1
    print(" ".join(ans))
a

### FIXED CODE ###

from heapq import heappush, heappop
from collections import deque,defaultdict,Counter
import itertools
from itertools import permutations,combinations
import sys
import bisect
import string
import math
import time
import random
def I():
    return int(input())
def MI():
    return map(int,input().split())
def LI():
    return [int(i) for i in input().split()]
def LI_():
    return [int(i)-1 for i in input().split()]
def show(*inp,end='\n'):
    if show_flg:
        print(*inp,end=end)
YN=['Yes','No']
mo=10**9+7
ts=time.time()
sys.setrecursionlimit(10**6)
input=sys.stdin.readline
show_flg=False
#show_flg=True

ans=0
n,m=MI()
ed=[-1]*n
bg=[[] for _ in range(n)]
A=[0]*n
B=[0]*n
r=[]
for i in range(m):
    a,b=LI_()
    r+=[(a,b)]
    bg[a].append(b)
    ed[a]=b
    A[a]+=1
    B[b]+=1

show(r,A,B)
q=[]
for i in range(n):
    show(i,'q=',q,ans,end=' | ')
    if B[i]>0:
        ans+=1
        for j in q:
            B[j]-=1
        q=[]
    if A[i]>0:
        q+=bg[i]
    show(i,'q=',q,'ans=',ans,'A,B=',A,B)    
print(ans)