Harryxun/stf_run huggingface dataset:
A,B,C,D,E=map(int,input().split())
    if A =0:
        print(1)
    elif B = 0:
        print(2)
    elif C = 0:
        print(3)
    elif D = 0:
        print(4)
    else E = 0:
        print(5)

### FIXED CODE ###

A,B,C,D,E=map(int,input().split())

if A == 0:
    print(1)
elif B == 0:
    print(2)
elif C == 0:
    print(3)
elif D == 0:
    print(4)
else:
    print(5)
a = input()
b = int(a)
if b < 1000 :
    print "ABC"
else:
    print "ABD"

### FIXED CODE ###

a = input()
b = int(a)
if b < 1000 :
    print "ABC"
else: 
    print "ABD"
import random

def main():
    d = int(input())
    for i in range(d):
        random.randint()
        print(random.randint(1,27))


if __name__ == '__main__':
    main()

### FIXED CODE ###



def main():

    for i in range(365):
        print(10)


if __name__ == '__main__':
    main()
s = input().split()
print(700 + s.count(o))

### FIXED CODE ###

s = input()
print(700 + int(s.count("o")*100))
import math
import decimal

num = decimal.Decimal(0)
a, b, c = map(int, input().split())
#a = decimal.Decimal(a)
#b = decimal.Decimal(b)
#c = decimal.Decimal(c)
ab =  decimal.Decimal(a) + decimal.Decimal(b) + decimal.Decimal(2 * (math.sqrt(a*b)))
#num = a + b + ab
if ab < c:
  print("Yes")
else:
  print("No")



### FIXED CODE ###

mlist = list([1, 1, 1, 2, 1, 2, 1, 5, 2, 2, 1, 5, 1, 2, 1, 14, 1, 5, 1, 5, 2, 2, 1, 15, 2, 2, 5, 4, 1, 4, 1, 51])
b = int(input())
print(mlist[b-1])
A = ["x"]*N
for a, b in zip(S, C):
    if A[a-1] == "x":
        A[a-1] = b
    else:
        if b == A[a-1]:
            A[a-1] = b
        else:
            print(-1)
            exit()

if N != 1 and A[0] == "x":
    A[0] = 1

if A[0] == "x":
    if N != 1:
        print(-1)
        exit()
if A[0] == 0 and N != 1:
    print(-1)
    exit()

for a in range(N):
    if A[a-1] == "x":
        A[a-1] = 0
for a in A:
    print(a, end="")

### FIXED CODE ###

N, M = map(int, input().split())
S = []
C = []
for i in range(M):
    s, c = input().split()
    S.append(int(s))
    C.append(int(c))


A = ["x"]*N
for a, b in zip(S, C):
    if A[a-1] == "x":
        A[a-1] = b
    else:
        if b == A[a-1]:
            A[a-1] = b
        else:
            print(-1)
            exit()

if N != 1 and A[0] == "x":
    A[0] = 1

if A[0] == "x":
    if N != 1:
        print(-1)
        exit()
if A[0] == 0 and N != 1:
    print(-1)
    exit()

for a in range(N):
    if A[a-1] == "x":
        A[a-1] = 0
for a in A:
    print(a, end="")
N = map(int, input().split())
alist = list(map(int, input().split()))
def make_divisors(n):
    divisors = []
    for i in range(1, int(n**0.5) + 1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n // i)

    divisors.sort()
    return divisors

balls_multiple = [0] * N
ans = []
for num in range(N-1, -1, -1):
    if balls_multiple[num] % 2 != alist[num]:
        ans.append(num+1)
        for div in make_divisors(num+1):
            balls_multiple[div-1] += 1
if ans:
    print(len(ans))
    print(*sorted(ans))
else:
    print(0)


### FIXED CODE ###

N = int(input())
alist = list(map(int, input().split()))
def make_divisors(n):
    divisors = []
    for i in range(1, int(n**0.5) + 1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n // i)

    divisors.sort()
    return divisors

balls_multiple = [0] * N
ans = []
for num in range(N-1, -1, -1):
    if balls_multiple[num] % 2 != alist[num]:
        ans.append(num+1)
        for div in make_divisors(num+1):
            balls_multiple[div-1] += 1
if ans:
    print(len(ans))
    print(*sorted(ans))
else:
    print(0)
n = int(input())
num = [ int(input()) for _ in range(n) ]
B = sorted(num,revese=True)
maxnum = B[0]
maxnum2 = B[1]

for i in range(n):
    if num[i] != maxnum:
        print(maxnum)
    else:
        print(maxnum2)

### FIXED CODE ###

n = int(input())
num = [ int(input()) for _ in range(n) ]
B = sorted(num,reverse=True)
maxnum = B[0]
maxnum2 = B[1]

for i in range(n):
    if num[i] != maxnum:
        print(maxnum)
    else:
        print(maxnum2)
if 1 == int(input()):
  print(0)
else
  print(1)

### FIXED CODE ###

if 1 == int(input()):
  print(0)
else:
  print(1)
a = list(map(int, input().split()))
#print(a)
b=[0]*a[1]
c=[0]*(a[1]+1)
b[0]=int(input())
c[0]=b[0]-0
for x in range(a[1]-1):
    b[x+1]=int(input())
    c[x+1]=b[x+1]-b[x]-1
c[-1]=a[0]-b[-1]
max = 0
min = a[0]+100
for x in c:
    if x>max:
        max=x
    if x<min:
        min=x
        
#print(c)
#print(max," ",min)
if min==0:
    print(0)
else:
    try:
        num=[0]*(max)
        for x in range(max):
            if x==0:
                num[0]=1
            elif x==1:
                num[1]=1
            else:
                num[x]=num[x-1]+num[x-2]
        #print("num[",x,"]=",num[x])
    except:
        print(0)
        
    answer=1
    for x in c:
        answer *=num[x-1]
        if answer==0:
            print(0)
            break
        else:
            answer%=1000000007
    print(answer)

### FIXED CODE ###

n,m = list(map(int, input().split()))
a=[]
a.append(-1)
for x in range(m):
  tmp=int(input())
  a.append(tmp)
a.append(n+1)
diff = []
for x in range(len(a)-1):
  diff.append(a[x+1]-a[x])
              
large = 0
small = 123456789012345
for x in diff:
  large=max(large,x)
  small=min(small,x)

num=[0,0,1]
for _ in range(large):
  num.append((num[-1]+num[-2])%1000000007)
    
answer=1
for x in diff:
  #print(x,num[x])
  answer *=num[x]
  answer%=1000000007
print(answer)
import sys
import math
from decimal import Decimal, ROUND_HALF_UP, ROUND_HALF_EVEN
from collections import deque
from bisect import bisect_left
from itertools import product
def I(): return int(sys.stdin.readline())
def MI(): return map(int, sys.stdin.readline().split())
def LI(): return list(map(int, sys.stdin.readline().split()))
def LI2(N): return [list(map(int, sys.stdin.readline().split())) for i in range(N)]
def LSI(): return list(map(int, list(sys.stdin.readline().rstrip())))
def LSI2(N): return [list(map(int, list(sys.stdin.readline().rstrip()))) for i in range(N)]
def S(): return sys.stdin.readline().rstrip()
def LS(): return sys.stdin.readline().split()
def LS2(N): return [sys.stdin.readline().split() for i in range(N)]
def FILL(i,h): return [i for j in range(h)]
def FILL2(i,h,w): return [FILL(i,w) for j in range(h)]
def FILL3(i,h,w,d): return [FILL2(i,w,d) for j in range(h)]
def FILL4(i,h,w,d,d2): return [FILL3(i,w,d,d2) for j in range(h)]
def sisha(num,digit): return Decimal(str(num)).quantize(Decimal(digit),rounding=ROUND_HALF_UP)
#'0.01'や'1E1'などで指定、整数に戻すならintをかます
MOD = 998244353
INF = float("inf")
sys.setrecursionlimit(10**6+10)
input = sys.stdin.readline

N,S = MI()
A = LI()
dp = FILL2(0,N+1,S+1)
for i in range(N):
    for j in range(S+1):
        if j>0 and j+A[i]<=S:
            dp[i+1][j+A[i]] += dp[i][j]
        elif j==0:
            dp[i+1][A[i]] += i+1
        dp[i+1][j] += dp[i][j]
        dp[i+1][j] %= MOD
ans = 0
for i in range(N+1):
    ans += dp[i][S]
    ans %= MOD
print(ans)


### FIXED CODE ###

import sys
import math
from decimal import Decimal, ROUND_HALF_UP, ROUND_HALF_EVEN
from collections import deque
from bisect import bisect_left
from itertools import product
def I(): return int(sys.stdin.readline())
def MI(): return map(int, sys.stdin.readline().split())
def LI(): return list(map(int, sys.stdin.readline().split()))
def LI2(N): return [list(map(int, sys.stdin.readline().split())) for i in range(N)]
def LSI(): return list(map(int, list(sys.stdin.readline().rstrip())))
def LSI2(N): return [list(map(int, list(sys.stdin.readline().rstrip()))) for i in range(N)]
def S(): return sys.stdin.readline().rstrip()
def LS(): return sys.stdin.readline().split()
def LS2(N): return [sys.stdin.readline().split() for i in range(N)]
def FILL(i,h): return [i for j in range(h)]
def FILL2(i,h,w): return [FILL(i,w) for j in range(h)]
def FILL3(i,h,w,d): return [FILL2(i,w,d) for j in range(h)]
def FILL4(i,h,w,d,d2): return [FILL3(i,w,d,d2) for j in range(h)]
def sisha(num,digit): return Decimal(str(num)).quantize(Decimal(digit),rounding=ROUND_HALF_UP)
#'0.01'や'1E1'などで指定、整数に戻すならintをかます
MOD = 998244353
INF = float("inf")
sys.setrecursionlimit(10**6+10)
input = sys.stdin.readline

N,S = MI()
A = LI()
dp = FILL2(0,N+1,S+1)
for i in range(N):
    for j in range(S+1):
        if j>0 and j+A[i]<=S:
            dp[i+1][j+A[i]] += dp[i][j]
            dp[i+1][j+A[i]] %= MOD
        elif j==0 and A[i]<=S:
            dp[i+1][A[i]] += i+1
            dp[i+1][A[i]] %= MOD
        dp[i+1][j] += dp[i][j]
        dp[i+1][j] %= MOD
ans = 0
for i in range(N+1):
    ans += dp[i][S]
    ans %= MOD
print(ans)
N, K = map(int, input().split())
h = list(map(int, input().split())) + [0]*100010

dp = [float("inf")]*100010
dp[0] = 0

for i in range(N):
    for k in range(1, K+1):
        dp[i+k] = min(dp[i+k], dp[i] + abs(h[i+k] - h[i]))
    # print(dp)
print(dp[N-1])

### FIXED CODE ###

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

dp = [float("inf") for i in range(n)]
dp[0] = 0
for i in range(n-1):
    for j in range(1, min(k+1, n-i)):
        dp[i+j] = min(dp[i+j], dp[i]+abs(a[i+j]-a[i]))

print(dp[-1])
ct=-1
a=[0]*100000
b=[0]*100000
c=[0]*100000
while True:
    ct+=1
    a[ct],b[ct],c[ct]=map(str,raw_input().split())
    if b[ct]==?:
        break
    else:
        continue
for i in xrange(ct):
    if b[i]=="+":
        print(int(a[i])+int(c[i]))
    elif b[i]=="-":
        print(int(a[i])-int(c[i]))
    elif b[i]=="*":
        print(int(a[i])*int(c[i]))
    else:
        print(int(a[i])/int(c[i]))
    

### FIXED CODE ###

ct=-1
a=[0]*100000
b=[0]*100000
c=[0]*100000
while True:
    ct+=1
    a[ct],b[ct],c[ct]=map(str,raw_input().split())
    if b[ct]=="?":
        break
    else:
        continue
for i in xrange(ct):
    if b[i]=="+":
        print(int(a[i])+int(c[i]))
    elif b[i]=="-":
        print(int(a[i])-int(c[i]))
    elif b[i]=="*":
        print(int(a[i])*int(c[i]))
    else:
        print(int(a[i])/int(c[i]))
import sys

def input():
    return.sys.stdin.buffer.readline()[:-1]

h, w = map(int, input().split())
maze = [['#'] * (w+2)]
cou = 0
for i in range(h):
    a = ['#'] + list(input()) + ['#']
    maze.append(a)
x = ['#'] * (w+2)
maze.append(x)

for i in range(1, h+1):
    for j in range(1, w+1):
        if maze[i][j] == '#':
            cou += 1

ng = True
pos = [[1, 1, 0]]
while len(pos) > 0:
    x, y, depth = pos.pop(0)
    if ([x, y] == [h, w]) & (maze[x][y] != '#'):
        ans = h * w - cou - depth - 1
        #print(cou)
        #print(depth)
        print(ans)
        ng = False
        break
    maze[x][y] = 'f'

    if maze[x+1][y] == '.':
        pos.append([x+1, y, depth+1])
    if maze[x][y+1] == '.':
        pos.append([x, y+1, depth+1])
    if maze[x-1][y] == '.':
        pos.append([x-1, y, depth+1])
    if maze[x][y-1] == '.':
        pos.append([x, y-1, depth+1])
    #print(pos)
    #print(maze)


if (len(pos) == 0) & ng:
    print(-1)

### FIXED CODE ###

h, w = map(int, input().split())
maze = [['#'] * (w+2)]
cou = 0
for i in range(h):
    a = ['#'] + list(input()) + ['#']
    maze.append(a)
x = ['#'] * (w+2)
maze.append(x)

for i in range(1, h+1):
    for j in range(1, w+1):
        if maze[i][j] == '#':
            cou += 1

ng = True
pos = [[1, 1, 0]]
checklist = [[0] * (w+2) for _ in range(h+2)]
while len(pos) > 0:
    x, y, depth = pos.pop(0)
    if ([x, y] == [h, w]) & (maze[x][y] != '#'):
        ans = h * w - cou - depth - 1
        #print(cou)
        #print(depth)
        print(ans)
        ng = False
        break
    maze[x][y] = 'f'

    if (maze[x+1][y] == '.') & (checklist[x+1][y] == 0):
        pos.append([x+1, y, depth+1])
        checklist[x+1][y] = 1
    if (maze[x][y+1] == '.') & (checklist[x][y+1] == 0):
        pos.append([x, y+1, depth+1])
        checklist[x][y+1] = 1
    if (maze[x-1][y] == '.') & (checklist[x-1][y] == 0):
        pos.append([x-1, y, depth+1])
        checklist[x-1][y] = 1
    if (maze[x][y-1] == '.') & (checklist[x][y-1] == 0):
        pos.append([x, y-1, depth+1])
        checklist[x][y-1] = 1
    #print(pos)
    #print(maze)


if (len(pos) == 0) & ng:
    print(-1)
<?php
fscanf(STDIN, "%s %s", $x, $y);
$factors = [];
for ($tmp = 0; $tmp < 6; $tmp++){
    $factors[chr(ord('A')+$tmp)] = $tmp+10;
}
if ($factors[$x] < $factors[$y]){
    print "<\n";
} else if($factors[$x] > $factors[$y]){
    print ">\n";
} else {
    print "=\n";
}
?>

### FIXED CODE ###

# -*- coding:utf-8 -*-
d = { 'A':10, 'B':11, 'C':12, 'D':13, 'E':14, 'F':15 }
x, y = input().split()
if d[x] > d[y]:
    print(">")
elif d[x] < d[y]:
    print("<")
else:
    print("=")
n = int(input())
a = list(map(int, input().split()))
u = list(set(a))
u = [i for i in u if a.count(i)>1]
print(u[-1]*u[-2])


### FIXED CODE ###

n = int(input())
a = list(map(int, input().split()))
a.sort()
f,s,i = 0,0,0
while i+1<n:
    if a[i]==a[i+1]:
        s = f
        f = a[i]
        i += 1
    i += 1
print(f*s)
import sys
input=sys.stdin.readline
#import fractions
#import math
#import collections
#from collections import deque
#from bisect import bisect_left
#N = int(input())
#S = list(input())
#S.remove("\n")
#N,M = map(int,input().split())
#S,T = map(str,input().split())
#A = list(map(int,input().split()))
#A = [int(input()) for _ in range(N)]
#S = [input() for _ in range(N)]
#A = [list(map(int,input().split())) for _ in range(N)]
A,B,C,D = map(int,input().split())
import fractions
e = C * D
ans = 0
first = (((A-1) // 12)+1) * 12
last = (B // 12) * 12 
if last - first <= 0:
    for i in range(A,B+1):
        if i % C != 0 and i % D != 0:
            ans += 1
else:
    ans += (last-first) * (1-1/C) * (1-1/D)
    for i in range(A,first):
        if i % C != 0 and i % D != 0:
            ans += 1
    for j in range(last+1,B+1):
        if i % C != 0 and i % D != 0:
            ans += 1
print(int(ans))

### FIXED CODE ###

import sys
input=sys.stdin.readline
sys.setrecursionlimit(10 ** 8)
from itertools import accumulate
from itertools import permutations
from itertools import combinations
from collections import defaultdict
from collections import Counter
import fractions
import math
from collections import deque
from bisect import bisect_left
from bisect import insort_left
import itertools
from heapq import heapify
from heapq import heappop
from heapq import heappush
import heapq
from copy import deepcopy
from decimal import Decimal
import fractions
alf = list("abcdefghijklmnopqrstuvwxyz")
ALF = list("ABCDEFGHIJKLMNOPQRSTUVWXYZ")
#import numpy as np
INF = float("inf")
#d = defaultdict(int)
#d = defaultdict(list)
#N = int(input())
#A = list(map(int,input().split()))
#S = list(input())[:-1]
#S.remove("\n")
#N,M = map(int,input().split())
#S,T = map(str,input().split())
#A = [int(input()) for _ in range(N)]
#S = [list(input())[:-1] for _ in range(N)]
#A = [list(map(int,input().split())) for _ in range(N)]

a,b,c,d=map(int,input().split())
e=fractions.gcd(c,d)
f=c*d//e
ans1=a-1
ans1-=(a-1)//c
ans1-=(a-1)//d
ans1+=(a-1)//f
ans2=b
ans2-=b//c
ans2-=b//d
ans2+=b//f
print(ans2-ans1)
W, H, x, y, r = map(int, input().split())
if x >= r and x + r <= W and y >= r and y + r <= H
print("Yes")
else:
print("No")


### FIXED CODE ###

W, H, x, y, r = map(int, input().split())
 
if r < (x + r) <= W :
  if r < (y + r) <= H :
    print('Yes')
  else :
    print('No')
else:
  print('No')
N, M = map(int, input().split())
 
for a in range(N):
  for b in range(N):
    c = N - a - b
    X = 10000*a + 5000*b + 1000*c
    
    if X == M:
      m10000 = a
      m5000 = b
      m1000 = c
      
Nt = m10000 + m5000 + m1000
  
if N >= Nt:
  print(m10000, " ", m5000, " ", m1000)
else:
  print(-1, " ", -1, " ", -1)

### FIXED CODE ###


N, M = map(int, input().split())

m10000 = -1
m5000 = -1
m1000 = -1
  
for a in range(N+1):
  for b in range(N+1-a):
    c = abs(N - a - b)
    X = 10000*a + 5000*b + 1000*c
    
    if X == M:
      m10000 = a
      m5000 = b
      m1000 = c

print(m10000, " ", m5000, " ", m1000)
N = int(input())
A = list(map(int, input().split()))


def solve(i, s, k, sign):
    if i == N:
        return k

    if sign * (s + A[i]) > 0:
        return solve(i + 1, s + A[i], k, sign * -1)
    else:
        return solve(i + 1, sign, k + abs(s + A[i]) + 1, sign * -1)


try:
    print(min(solve(0, 0, 0, 1), solve(0, 0, 0, -1)))
except IndexError:
    print(1)

### FIXED CODE ###

_ = int(input())
A = list(map(int, input().split()))

ret = float('inf')

sign = 1
s = 0
k = 0
for a in A:
    if sign * (s + a) > 0:
        s += a
    else:
        k += abs(s + a) + 1
        s = sign
    sign *= -1
ret = min(ret, k)

sign = -1
s = 0
k = 0
for a in A:
    if sign * (s + a) > 0:
        s += a
    else:
        k += abs(s + a) + 1
        s = sign
    sign *= -1

ret = min(ret, k)


print(ret)
n, m, x = map(int, input().split())
l = [list(map(int, input().split())) for i in range(n)]
bi_list = [bin(i) for i in range(2**n)] 
comb = [0] * (m+1)
comb[0] = 10**6
for i in bi_list:#本の選択パターン選択
    dig = len(i)
    state = [0] * (m+1)
    for j in range(dig):#iから本の選択
        if i[n-1-j] == '1':
            for k in range(m+1):#本の数値入力
                state[k] += l[n-1-j][k]
                
    for p in range(m):
        if state[m - p] < x:
            break
    else:
        if state[0] < comb[0]:
            comb = state
if comb[m] ==0:
    print(-1)
else:
    print(comb[0])

### FIXED CODE ###

n, m, x = map(int, input().split())
l = [list(map(int, input().split())) for i in range(n)]
bi_list = [bin(i)[2:] for i in range(2**n)] 
comb = [0] * (m+1)
comb[0] = 10**7
for i in bi_list:#本の選択パターン選択
    dig = len(i) 
    state = [0] * (m+1)
    for j in range(dig):#iから本の選択
        if i[dig-1-j] == '1':
            for k in range(m+1):#本の数値入力
                state[k] += l[n-1-j][k]
    for p in range(m):
        if state[m - p] < x:
            break
    else:
        if state[0] < comb[0]:
            comb = state
if comb[m] == 0:
    print(-1)
else:
    print(comb[0])
n=(int.input())
if n%9==0:
  print(Yes)
else :
  print(No)
  

### FIXED CODE ###

n=int(input())
if n%9==0:
  print("Yes")
else:
  print("No")
def main():
    N = int(input())
    a_l = [int(i) for i in input().split()]
    if 1 not in a_l:
        print(-1)
        sys.exit()
    counter = 1
    b = 0
    for i in a_l:
        if i == counter:
            counter += 1
        else:
            b += 1
    print(b)
    sys.exit()


if __name__ == "__main__":
    main()

### FIXED CODE ###

import sys
input = sys.stdin.readline
# sys.setrecursionlimit(100000)


def main():
    N = int(input())
    a_l = [int(i) for i in input().split()]
    if 1 not in a_l:
        print(-1)
        sys.exit()
    counter = 1
    b = 0
    for i in a_l:
        if i == counter:
            counter += 1
        else:
            b += 1
    print(b)
    sys.exit()


if __name__ == "__main__":
    main()
S = str(input())

if s == "SUN":
  print("7")
elif s == "MON":
  print("6")
elif s == "TUE":
  print("5")
elif s == "WED":
  print("4")
elif s == "THU":
  print("3")
elif s == "FRY":
  print("2")
elif s == "SAT":
  print("1")

### FIXED CODE ###

s = str(input())
 
if s == "SUN":
  print("7")
elif s == "MON":
  print("6")
elif s == "TUE":
  print("5")
elif s == "WED":
  print("4")
elif s == "THU":
  print("3")
elif s == "FRI":
  print("2")
elif s == "SAT":
  print("1")
n, a, b = map(int, input().split())
ans = 0
for i in range(n+1):
      if a <= sum(list(map(int, list(str(i)))) <= b:
          ans += i
print(ans)

### FIXED CODE ###

n, a, b = map(int, input().split())
ans = 0
for i in range(1, n+1):
      if a <= sum([int(c) for c in str(i)]) <= b:
          ans += i
print(ans)
temp = input()
s = ["tikan"]
flag = "off"
q = int(input())
dummy = ""
for i in range(q):
  q_list = input().split()
  if q_list[0] == "1":
    if flag == "on":
      flag = "off"
    else:
      flag = "on"
  else:
    if q_list[1] == "1":
      if flag == "off":
        s.insert(0,q_list[2])
      else:
        s.append(q_list[2])
    else:
      if flag == "off":
        s.append(q_list[2])
      else:
        s.insert(0,q_list[2])
#  print(s)
ans = ""
for i in s:
  if i == "tikan":
    i = temp
    if flag == "on":
      i = list(i)
      i.reverse()
      i = "".join(i)
  ans += i
if flag == "on":
  ans = list(ans)
  ans.reverse()
  ans = "".join(ans)
print(ans)v

### FIXED CODE ###

s = input()
q = int(input())
turn = 1
start = []
end = []
for i in range(q):
    q_list = list(input().split())
    if q_list[0] == "1":
        turn *= -1
    else:
        if q_list[1] == "1":
            if turn == 1:
                start.append(q_list[2])
            else:
                end.append(q_list[2])
        else:
            if turn == -1:
                start.append(q_list[2])
            else:
                end.append(q_list[2])

dum1 = "".join(start)
dum2 = "".join(end)
if turn == 1:
    print(dum1[::-1]+s+dum2)
else:
    print(dum2[::-1] + s[::-1] + dum1)
# -*- coding: utf-8 -*-
# モジュールのインポート
import math
import numpy as np

# 標準入力の取得
A, B, N = list(map(int, input().split()))

# 求解処理


def func(x: np.ndarray) -> np.ndarray:
    return np.floor(A*x/B) - A*np.floor(x/B)


result = 0
x = np.arange(min(N, B-1), (N//2)+1, B)
x = func(x)
result = max(result, int(np.max(x)))
x = np.arange((N//2), N+1, B)
x = func(x)
result = max(result, int(np.max(x)))


# 結果出力
print(result)


### FIXED CODE ###

# -*- coding: utf-8 -*-
# モジュールのインポート
import math

# 標準入力の取得
A, B, N = list(map(int, input().split()))


def f(x: int) -> int:
    return math.floor(A*x/B) - A*math.floor(x/B)


# 求解処理
result = f(min(B-1, N))

# 結果出力
print(result)
a = int(input())
b = int(input())
if a*b/2 == 0:
  print("Even")
else:
  print("Odd")

### FIXED CODE ###

a, b = map(int, input().split())
if a*b%2 == 0:
  print("Even")
else:
  print("Odd")
n,m=map(int,input().split())
a=[[] for i in range(m)]
for i in range(m):
  a[i].append(i+1)
  
for i in range(m):
  a[-1-i].append(i+1+m)
 
a[-1]=n
for x in a:
  print(x[0],x[1])


### FIXED CODE ###

from collections import Counter
import sys

sys.setrecursionlimit(10 ** 6)

mod = 1000000007
inf = int(1e18)

dx = [0, 1, 0, -1]
dy = [1, 0, -1, 0]


def inverse(a):
    return pow(a, mod - 2, mod)


def usearch(x, a):
    lft = 0
    rgt = len(a) + 1
    while rgt - lft > 1:
        mid = (rgt + lft) // 2
        if a[mid] <= x:
            lft = mid
        else:
            rgt = mid
    return lft


def main():
    n, m = map(int, input().split())
    ans = []
    for i in range(1, (m+1)//2+1):
        ans.append([i, m+2-i])

    for i in range(1, (m+1)//2+1):
        if len(ans) == m:
            break
        ans.append([m+1+i, 2*m+2-i])

    for x in ans:
        print(x[0], x[1])

main()
n, k = map(int, input().split())
cnt=0
for a in range(1,n+1):
    for b in range(k,n+1):
        if a%b>=k:
            cnt+=1
print(cnt)


### FIXED CODE ###

c1=input()
c2=input()
c3=input()

print(c1[0]+c2[1]+c3[2])