Harryxun/stf_run huggingface dataset:
n,m = map(int, input().split())
ans = (n-2)(m-2)
print(ans)

### FIXED CODE ###

n,m = map(int, input().split())
ans = (n-2)*(m-2)
print(abs(ans))
while True:
	a, b = map(int, input().split())
	if a < b:
		print(a, b)
	elif b <= a:
		print(b, a)
	elif a == 0 and b ==0:
		break;

### FIXED CODE ###

while True:
	a, b = map(int, input().split())
	if a == 0 and b ==0:
		break;
	elif a <= b:
		print(a, b)
	elif b < a:
		print(b, a)
import math
import itertools
x = 100
for _ in itertools.repeat(None,int(input())):
    x = math.ceil(x*1.05)
print(x*1000)

### FIXED CODE ###

print(input()[::-1])
import math
from fractions import Fraction
from functools import reduce

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


def lcm_base(x, y):
    return (x * y) // fractions.gcd(x, y)

def lcm_list(numbers):
    return reduce(lcm_base, numbers, 1)


m =  lcm_list(A) -1

B = 0

for j in range(len(A)):
    B += m%A[j]

print(B)

### FIXED CODE ###

import math
from functools import reduce

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

def gcd(x,y):
    if x > y:
        x , y = y , x
    while x>0:
        x, y = y%x , x
    return y
    
def lcm_base(x, y):
    return (x * y) // gcd(x, y)

def lcm_list(numbers):
    return reduce(lcm_base, numbers, 1)


m =  lcm_list(A) -1

B = 0

for j in range(len(A)):
    B += m%A[j]

print(B)
n, m = map(int, input().split())
a = [input() for i in range(n)]
b = [input() for i in range(m)]
i,j = 0,0
start = []
while i<=n-m:
    if b[0] in a[i]:
        start.append(a[i].index(b[0]))
        j += 1
        for k in range(1,m):
            if b[k] in a[i+j]:
                start.append(a[i+j].index(b[k]))
                j += 1
                if not start[0] == start[j-1]:
                    start.clear()
                    j = 0
                break
            else:
                start.clear()
                j = 0
                break
    if len(start)==m:
        break
    i += 1
print('Yes' if len(start)>0 else 'No')


### FIXED CODE ###

n, m = map(int, input().split())
a = [input() for i in range(n)]
b = [input() for i in range(m)]
res = True
for i in range(len(b)):
    if b[i] not in a[i]:
        res = False
        break

print('Yes' if res else 'No')
A,B = input().split()
A = int(a)
B = int(B[0]+B[2:])
print(A*B//100)

### FIXED CODE ###


A,B = input().split()
A = int(A)
B = int(B[0]+B[2:])
print(A*B//100)
N=int(input())

max_answer=0
for k in range(101):
  answer=0
  k1=k
  k2=100-k

  red_list=[]
  for i in range(N):
    a,b=map(int,input().split())
    red_list.append((k1*a+k2*b,a,b))
  red_list.sort()

  blue_list=[]
  for i in range(N):
    c,d=map(int,input().split())
    blue_list.append((k1*c+k2*d,c,d))
  blue_list.sort()

  #print(red_list)
  #print(blue_list)

  answer=0
  selected_set=set()
  for i in range(N):
    rs,rx,ry=red_list[i]
    for j in range(N):
      if j in selected_set:
        continue
      bs,bx,by=blue_list[j]
      if rx<bx and ry<by:
        #print((rx,ry),(bx,by))
        selected_set.add(j)
        answer+=1
        break
      
  max_answer=max(max_answer,answer)
  
print(max_answer)


### FIXED CODE ###

N=int(input())

red_list=[]
for i in range(N):
  a,b=map(int,input().split())
  red_list.append((a,b))
red_list.sort()
  
blue_list=[]
for i in range(N):
  c,d=map(int,input().split())
  blue_list.append((c,d))
blue_list.sort()

#print(red_list)
#print(blue_list)

answer=0
selected_set=set()
for i in range(N):
  c,d=blue_list[i]
  max_y=-1
  maxarg_y=-1
  for j in range(N):
    a,b=red_list[j]
    if c<=a:
      break
    
    if b<d and b>max_y and not j in selected_set:
      max_y=b
      maxarg_y=j
      
  if maxarg_y!=-1:
    answer+=1    
    selected_set.add(maxarg_y)
    #print(red_list[maxarg_y],blue_list[i])
    
print(answer)
x, y, a, b, c = map(int, input().split())
arrayP = list(map(int, input().split()))
arrayQ = list(map(int, input().split()))
arrayR = list(map(int, input().split()))
arrayP.sort(reverse=True)
arrayQ.sort(reverse=True)
arrayR.sort(reverse=True)
arrayAns = []
for i in range(x):
    arrayAns.append(int(arrayP[i]))
for i in range(y):
    arrayAns.append(int(arrayQ[i]))
arrayAns.sort()
for i in range(min(len(arrayR), len(arrayAns))):
    if arrayAns[i] <= int(arrayR[i]):
        arrayAns[i] = int(arrayR[i])
    else:
        break
print(sum(arrayAns))

### FIXED CODE ###

S=input()

if S[2]==S[3] and S[4]==S[5]:
    print('Yes')
else:
    print('No')
W, H, x, y, r = map(int, raw_input().split())
if x+r <= W and y+r <= H:
    print"Yes"
else
    print"No"

### FIXED CODE ###

W, H, x, y, r = map(int, raw_input().split())
if x-r<0 or y-r<0:
    print"No"

elif x+r <= W and y+r <= H:
    print"Yes"
else:
    print"No"
N,M = map(int, input().split())
    print(abs(N-2) * abs(M-2))

### FIXED CODE ###

N, M = map(int, input().split())
print(abs(N-2)*abs(M-2))
import math
import sys
import numpy as np
a,b,h,m=map(int,input().split())
h=h*30+m*0.5
m=m*6
ma=max(h,m)
mi=min(h,m)
kakudo=abs(ma-mi)
if kakudo>180:
    kakudo=360-kakudo
elif kakudo == 0:
    print(abs(a-b))
    exit()
elif kakudo==180:
    print(a+b)
    exit()
c=math.cos(math.radians(kakudo))
#print(c)
ans=math.pow(a,2)+math.pow(b,2)-2*a*b*c
ans=math.sqrt(ans)
print(ans)

### FIXED CODE ###

n=input()
if n[-1]=='3':
    print('bon')
elif n[-1]=='0' or n[-1]=='1' or n[-1]=='6' or n[-1]=='8':
    print('pon')
else:
    print('hon')
a,b=input().split()
if b*2 >= a:
  print(0)
else:
  print(a-b*2)

### FIXED CODE ###

a,b=map(int, input().split())
if b*2 >= a:
  print(0)
else:
  print(a-b*2)
import sys
N = int(input())
fact = factorization(N)
if fact[0][0] == 1:
    print(0)
    sys.exit()
print(fact)
ans = 0
for f, num in fact:
    print(f'{f=}, {num=}')
    for i in range(1, num+1):
        print(f'{i=}')
        if num < i:
            break
        num -= i
        ans += 1
print(ans)

### FIXED CODE ###

def factorization(n):
    arr = []
    temp = n
    for i in range(2, int(-(-n**0.5//1))+1):
        if temp%i==0:
            cnt=0
            while temp%i==0:
                cnt+=1
                temp //= i
            arr.append([i, cnt])

    if temp!=1:
        arr.append([temp, 1])

    if arr==[]:
        arr.append([n, 1])

    return arr

def main():
    import sys
    N = int(input())
    fact = factorization(N)
    if fact[0][0] == 1:
        print(0)
        sys.exit()
    ans = 0
    for f, num in fact:
        for i in range(1, num+1):
            if num < i:
                break
            num -= i
            ans += 1
    print(ans)
main()
a_list=list(map(int,input().split()))
ans=abs(a[0]-a[1])+abs(a[0]-a[2])
ans=min(ans,abs(a[1]-a[0])+abs(a[1]-a[2]))
ans=min(ans,abs(a[2]-a[1])+abs(a[0]-a[2]))
print(ans)

### FIXED CODE ###

a=list(map(int,input().split()))
ans=abs(a[0]-a[1])+abs(a[0]-a[2])
ans=min(ans,abs(a[1]-a[0])+abs(a[1]-a[2]))
ans=min(ans,abs(a[2]-a[1])+abs(a[0]-a[2]))
print(ans)
x = input()

if x == 1:
  print(0)
  
if X == 0:
  print(1)
  

### FIXED CODE ###

print(1 - int(input()))
N = int(input())

A = []
A.append(list(map(int, input().split())))
A.append(list(map(int, input().split())))

if N > 1:
    up = A[0][1]
    down = A[1][0]

    for i in range(1, N-1):
        up_ = up + A[1][i]
        down += A[1][i]
        up += A[0][i+1]

        down = max(down, up_)

    print(max(up, down)+A[0][0]+A[1][N-1])
else:
    print(sum(A))


### FIXED CODE ###

N = int(input())

A = []
A.append(list(map(int, input().split())))
A.append(list(map(int, input().split())))

if N > 1:
    up = A[0][1]
    down = A[1][0]

    for i in range(1, N-1):
        up_ = up + A[1][i]
        down += A[1][i]
        up += A[0][i+1]

        down = max(down, up_)

    print(max(up, down)+A[0][0]+A[1][N-1])
else:
    print(A[0][0]+A[1][0])
import math
N, H = list(map(int, input().split()))
maxA = 0
n = 0
b = []
for _ in range(N):
    ta, tb = list(map(int, input().split()))
    maxA = max(maxA, ta)
    b.append(tb)

b = list(filter(lambda x: x > maxA, b))
b.sort()

while H > 0 and b:
    H -= b.pop()
    n += 1

print(n + max(H-1, -1) // a + 1 )

### FIXED CODE ###

N, H = list(map(int, input().split()))
maxA = 0
n = 0
b = []
for _ in range(N):
    ta, tb = list(map(int, input().split()))
    maxA = max(maxA, ta)
    b.append(tb)

b = list(filter(lambda x: x > maxA, b))
b.sort()

while H > 0 and b:
    H -= b.pop()
    n += 1

print(n + max(H-1, -1) // maxA + 1 )
import heapq
N = int(input())
A = list(int(input()) for _ in range(N))

S = [A[0]]
for i in range(1, N):
    if A[i] <= S[0]:
        S.insert(0, A[i])
        continue
    ok = 0
    ng = len(S)
    while ok+1 < ng:
        tmp = (ok+ng)//2
        if A[i] > S[tmp]:
            ok = tmp
        else:
            ng = tmp
    S[tmp] = A[i]
print(len(S))


### FIXED CODE ###

N = int(input())
A = list(int(input()) for _ in range(N))

S = [A[0]]
for i in range(1, N):
    if A[i] <= S[0]:
        S.insert(0, A[i])
        continue
    ok = 0
    ng = len(S)
    tmp = (ok+ng)
    while ok+1 < ng:
        tmp = (ok+ng)//2
        if A[i] > S[tmp]:
            ok = tmp
        else:
            ng = tmp
    S[ok] = A[i]
print(len(S))
N,M = map(int,input().split())
L = []
ans = []
for i in range(M) :
    L.append(list(map(int,input().split())))
    ans.append([None])

C = []
for i in range(N+1) :
    C.append([])

for i, (p,y) in enumerate(L) :
    C[p].append([y,i])

for p in range(N+1) :
    for i,(y,_) in enumerate(sorted(C[p])) :
        ans[_] = str(p).zfill(6) + str(i+1).zfill(6)
for i in range(N+1) :
    print(ans[i])


### FIXED CODE ###

N,M = map(int,input().split())
L = []
ans = []
for i in range(M) :
    L.append(list(map(int,input().split())))
    ans.append([])

C = []
for i in range(N+1) :
    C.append([])

for i, (p,y) in enumerate(L) :
    C[p].append([y,i])

for p in range(N+1) :
    for i,(y,_) in enumerate(sorted(C[p])) :
        ans[_] = str(p).zfill(6) + str(i+1).zfill(6)
for i in range(M) :
    print(ans[i])
import fileinput
s = fileinput.input().strip()
if len(s)>=4 and s[:4] == 'YAKI':
    print("Yes")
else:
    print("No")

### FIXED CODE ###

s = input()
if len(s)>=4 and s[:4] == 'YAKI':
    print("Yes")
else:
    print("No")
M = [0, 2, 5, 5, 4, 5, 6, 3, 7, 6]

def max_int(n, a, prefix):
        if n == 0:
                return int(prefix)
        ma = -1
        for v in a:
                if n < M[v]:
                        continue
                ma = max(ma, max_int(n - M[v], a, prefix + str(v)))
        return ma


n, m = [int(v) for v in input().split()]
a = [int(v) for v in input().split()]
print(max_int(n, a, ''))

### FIXED CODE ###

M = [0, 2, 5, 5, 4, 5, 6, 3, 7, 6]

max_vs = [''] * 10001
n, m = [int(v) for v in input().split()]
a = [int(v) for v in input().split()]
for i in range(1, n + 1):
        for v in a:
                if M[v] > i:
                        continue
                elif M[v] == i:
                        if max_vs[i] == '' or int(max_vs[i]) < v:
                                max_vs[i] = str(v)
                else:
                        if max_vs[i - M[v]] != '':
                                if (max_vs[i] == '') or (len(max_vs[i]) < len(str(v) + max_vs[i - M[v]])) or (len(max_vs[i]) == len(str(v) + max_vs[i - M[v]]) and max_vs[i] < str(v) + max_vs[i - M[v]]):
                                        max_vs[i] = str(v) + max_vs[i - M[v]]
print(max_vs[n])
from collections import deque
S = input()
x, y = map(int, input().split(' '))

move = [(1, 0), (0, 1), (-1, 0), (0, -1)]
direction = 0

position = set((0, 0))
state = [((0, 0), 0)]

can_move = False
idx = 0

for i, s in enumerate(S):
    rest_inst_num = len(S) - (i)
    next_position = set()
    next_state = []
    for p, d in state:
        xx, yy = p
        dist2goal = abs(xx - x) + abs(yy - y)
        if dist2goal > rest_inst_num:
            continue
        if s == 'T':
            next_position.add(p)
            next_state.append((p, d + 1))
            next_state.append((p, d - 1))
        else:
            mxx, myy = move[d]
            np = (xx + mxx, yy + myy)
            next_position.add(np)
            next_state.append((np, d))
    position = next_position
    state = next_state

if (x, y) in position:
    print('Yes')
else:
    print('No')


### FIXED CODE ###

S = input()
x, y = map(int, input().split(' '))

F = [len(s) for s in S.split('T')]

memo_x = [set((F[0], ))]
memo_y = [set((0, ))]

for i, f in enumerate(F[2::2]):
    next_memo_x = set()
    for prev_x in memo_x[i]:
        next_memo_x.add(prev_x + f)
        next_memo_x.add(prev_x - f)
    memo_x.append(next_memo_x)

for i, f in enumerate(F[1::2]):
    next_memo_y = set()
    for prev_y in memo_y[i]:
        next_memo_y.add(prev_y + f)
        next_memo_y.add(prev_y - f)
    memo_y.append(next_memo_y)

if x in memo_x[-1] and y in memo_y[-1]:
    print('Yes')
else:
    print('No')
import sys
sys.setrecursionlimit(10**9)
input = sys.stdin.readline

# -*- coding: utf-8 -*-


class FactMod():
    '''
    modの値が素数の時のfactと組み合わせを求める
    フェルマーの小定理を用いているため、modが素数以外の時は使えない
    '''

    def __init__(self, n, mod):
        '''
        コンストラクタ
        f:nまでの i!の値を　配列に入れる
        inv: (i!)^-1　の値を配列に入れる
        '''
        self.mod = mod
        self.f = [1]*(n+1)
        for i in range(1, n+1):
            self.f[i] = self.f[i-1]*i % mod

        self.inv = [pow(self.f[-1], mod-2, mod)]
        for i in range(1, n+1)[::-1]:
            self.inv.append(self.inv[-1]*i % mod)
        self.inv.reverse()

    def fact(self, n):
        '''
        n!の値を返す
        '''
        return self.f[n]

    def comb(self, n, r):
        '''
        nCrの値を返す
        '''
        ret = self.f[n] * self.inv[n-r]*self.inv[r]
        ret %= self.mod
        return ret

    def perm(self, a, b):
        if a < b or a < 0 or b < 0:
            return 0
        ret = self.f[a]*self.inv[a-b]
        ret %= self.mod
        return ret


MOD = 10**9+7
N, K = map(int, input().split())
edges = [list(map(lambda x:int(x)-1, input().split())) for _ in range(N-1)]
adj = [[] for _ in range(N)]

F = FactMod(N, MOD)

for a, b in edges:
    adj[a].append(b)
    adj[b].append(a)

# current parent
Q = []
for a in adj[0]:
    Q.append((a, 0))
ans = F.perm(K, len(adj[0])+1)
ans %= MOD

while Q:
    current, prev = Q.pop()
    child = len(adj[current])-1
    ret = F.perm(K-2, child)
    ans *= ret
    ans %= MOD
    for a in adj[current]:
        if a == prev:
            continue
        else:
            Q.append((a, current))
print(ans)


### FIXED CODE ###

import sys
sys.setrecursionlimit(10**9)
input = sys.stdin.readline

# -*- coding: utf-8 -*-


class FactMod():
    '''
    modの値が素数の時のfactと組み合わせを求める
    フェルマーの小定理を用いているため、modが素数以外の時は使えない
    '''

    def __init__(self, n, mod):
        '''
        コンストラクタ
        f:nまでの i!の値を　配列に入れる
        inv: (i!)^-1　の値を配列に入れる
        '''
        self.mod = mod
        self.f = [1]*(n+1)
        for i in range(1, n+1):
            self.f[i] = self.f[i-1]*i % mod

        self.inv = [pow(self.f[-1], mod-2, mod)]
        for i in range(1, n+1)[::-1]:
            self.inv.append(self.inv[-1]*i % mod)
        self.inv.reverse()

    def perm(self, a, b):
        if a < b or a < 0 or b < 0:
            return 0
        ret = self.f[a]*self.inv[a-b]
        ret %= self.mod
        return ret


MOD = 10**9+7
N, K = map(int, input().split())
edges = [list(map(lambda x:int(x)-1, input().split())) for _ in range(N-1)]
adj = [[] for _ in range(N)]

F = FactMod(K+1, MOD)

for a, b in edges:
    adj[a].append(b)
    adj[b].append(a)

# current parent
Q = []
for a in adj[0]:
    Q.append((a, 0))
ans = F.perm(K, len(adj[0])+1)
ans %= MOD

while Q:
    current, prev = Q.pop()
    child = len(adj[current])-1
    ret = F.perm(K-2, child)
    ans *= ret
    ans %= MOD
    for a in adj[current]:
        if a == prev:
            continue
        else:
            Q.append((a, current))
print(ans)
n = int(raw_input())
data = raw_input().split(" ")

minimum = 1000001
maximum = 0
goukei = 0

for i in data:
	if i < minimum:
		minimum = i

	if i > maximum:
		maximum = i

	goukei += i

print("{:} {:} {:}".format(minimum, maximum, goukei))

### FIXED CODE ###

n = int(raw_input())
data = map(int, raw_input().split(" "))

#data = [10, 1, 5, 4, 17]

minimum = data[0]
maximum = data[0]
goukei = 0

for i in data:
	if i < minimum:
		minimum = i

	if i > maximum:
		maximum = i

	goukei += i

print("{:} {:} {:}".format(minimum, maximum, goukei))
n = input()
s = 0
for i in range(n+1):
  l = list(str(i))
  if len(l) % 2 == 1:
    s += 1
print(s)

### FIXED CODE ###

n = int(input())
s = 0
for i in range(1,n+1):
  l = list(str(i))
  if len(l) % 2 == 1:
    s += 1
print(s)
N, A, B = map(input, input().split())

ans = 0
for i in range(N + 1):
    if A <= sum(map(int, list(str(i)))) <= B:
        ans += 1
print(ans)


### FIXED CODE ###

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:
        map(int, list(str(i)))
        ans += i
print(ans)
a=list(input())

IN=[int(x) for x in a if x != " "]
N=IN[0]
A=IN[1]
B=IN[2]

ALL=A+B
times=N//ALL
rest=N%ALL

if A < rest:
        ans=A*times+A
else:
        ans=A*times+rest

print(ans)


### FIXED CODE ###

N, A, B = [int(x) for x in input().strip().split()]

Times = N // (A + B)
rest = N - Times * (A + B)

if rest < A:
        ans = A * Times + rest
else:
        ans = A * Times + A

print(ans)
x, y, z, k = map(int, input().split())
a = []
a.append(list(map(int, input().split())))
a.append(list(map(int, input().split())))
a.append(list(map(int, input().split())))

a[0].sort()
a[1].sort()
a[2].sort()

# da = [a[i] - a[i+1] for i in range(len(a)-1)]
# db = [b[i] - b[i+1] for i in range(len(b)-1)]
# dc = [c[i] - c[i+1] for i in range(len(c)-1)]

ia = [len(a[0])-1, len(a[1])-1, len(a[2])-1]
deli = a[0][ia[0]] + a[1][ia[1]] + a[2][ia[2]]
for i in range(k):
    how_modi = None
    min_delta = 0
    if i != 0:
        for j in range(3):
            if ia[j] == 0:
                continue
            delta = a[j][ia[j]] - a[j][ia[j-1]]
            min_delta = delta
            for l in range(3):
                if l == j:
                    continue
                idx = ia[l]
                while True:
                    if a[l][idx] > delta or idx == len(a[l])-1:
                        break
                    idx += 1
                if min_delta > delta - a[l][idx] + a[l][ia[l]]:
                    if idx == ia[l]:
                        min_delta = delta - a[l][idx] + a[l][ia[l]]
                        how_modi = [j, l, idx]
                    else:
                        min_delta = delta - a[l][idx] + a[l][ia[l]]
                        how_modi = [j]
                else:
                    how_modi = [j]
    deli -= min_delta
    if len(how_modi) == 1:
        ia[how_modi[0]] -= 1
    else:
        ia[how_modi[0]] -= 1
        ia[how_modi[1]] = how_modi[2]
    print(deli)


### FIXED CODE ###

x, y, z, k = map(int, input().split())
a = list(map(int, input().split()))
b = list(map(int, input().split()))
c = list(map(int, input().split()))

a_plus_b = []
for i in a:
    for j in b:
        a_plus_b.append(i + j)
a_plus_b.sort(reverse=True)

a_plus_b_plus_c = []
for i in a_plus_b[:k]:
    for j in c:
        a_plus_b_plus_c.append(i + j)
a_plus_b_plus_c.sort(reverse=True)

for i in range(k):
    print(a_plus_b_plus_c[i])
N = int(input())
list=[]
for i in range(N):
    list.append(int(input()))

a = []
i = 0
for i in range(N):
    a.append(int(0))
    while list[i] % 2 == 0:
        a[i] = a[i] + 1
        list[i] = int(list[i]/2)
print(min(a))

### FIXED CODE ###

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

a = []
i = 0
for i in range(N):
    a.append(int(0))
    while list[i] % 2 == 0:
        a[i] = a[i] + 1
        list[i] = int(list[i]/2)
print(min(a))
N, K = map(int, input().split())
A = list(map(int, input().split()))

keiro = [1]
flag = True
now = 1
start = 0
loopN = 0
loop_list = []
not_loop = False
while flag:
    if A[now-1] in keiro:
        flag = False
        start = keiro.index(A[now-1])
        loopN = len(keiro[start:])
        loop_list = keiro[start:]
    else:
        keiro.append(A[now-1])
        now = A[now-1]
    if len(keiro) >= K:
        flag = False
        not_loop = True

if not_loop:
    print(keiro[K])
elif K - start >= 0:
    print(loop_list[(K - start) % loopN])
else:
    print(keiro[K])



### FIXED CODE ###

N, K = map(int, input().split())
A = list(map(int, input().split()))
keiro = [1]
keiro_set = {1}
flag = True
now = 1
start = 0
loopN = 0
loop_list = []
not_loop = False
for i in range(N):
    now = A[now - 1]
    if now in keiro_set:
        start = keiro.index(now)
        loop_list = keiro[start:]
        loopN = len(loop_list)
        break
    else:
        keiro.append(now)
        keiro_set.add(now)
    if i + 2 > K:
        not_loop = True
        break
if not_loop:
    print(keiro[K])
elif K - start >= 0:
    print(loop_list[(K - start) % loopN])
else:
    print(keiro[K])
n = int(input())
a = list(map(int, input().split()))
t = [a.count(i) for i in range(n)]
for i in range(n//2):
  if t[i*2+n%2] != 0 or t[i*2+1+n%2] != 2 or t[0] > 1:
    print(0)
    exit()
print(2**(n//2))

### FIXED CODE ###

a, op, b =[i for i in input().split()]
if op == "+":
  print(int(a) + int(b))
else:
  print(int(a) - int(b))
N, K = map(int, input().split())
D = list(map(int, input().split()))
A = [i for i in range(10)]
A = set(A) - set(D)
A = list(A)
A.sort()
S = str(N)
s = ''
for i in range(len(S)):
    for j in range(len(A)):
        if int(S[i]) <= A[j]:
            s += str(A[j])
            break
if len(s) == len(S):
    print(s)
else:
    if A[0] == 0:
        s = str(A[1])
        for i in range(len(S)):
            s += str(A[0])
    else:
        s = str(A[0])
        for i in range(len(S)):
            s += str(A[1])
    print(s)

### FIXED CODE ###

N, K = map(int, input().split())
D = list(map(int, input().split()))
A = [i for i in range(10)]
A = set(A) - set(D)
A = list(A)
A.sort()
S = str(N)
s = ''
for i in range(len(S)):
    for j in range(len(A)):
        if int(S[i]) == A[j]:
            s += str(A[j])
            break
        if int(S[i]) < A[j]:
            s += str(A[j])
            for i in range(len(S)-i-1):
                s += str(A[0])
            break
    if len(s) == len(S):
        break
            
if len(s) == len(S):
    print(s)
else:
    if A[0] == 0:
        s = str(A[1])
        for i in range(len(S)):
            s += str(A[0])
    else:
        s = str(A[0])
        for i in range(len(S)):
            s += str(A[0])
    print(s)
N,M = map(int,input().split())
A =list(map(int,input().split()))
A.sort(reverse=True)
A_len =len(A)
count =0
for l in range(0,M):
    comp = A[0]/2
    for i in range(0,A_len-1,1):
        if count => M:
            break
        if A[i+1]<comp:
            break
        while True:
            count +=1
            if A[i]/2 > A[i+1]:
                A[i] = A[i]/2
            else:
                A[i] = A[i]/2
                break
    A.sort(reverse=True)
    if count=>M:
        break
A = [int(i) for i in A]
sumN =sum(A)
print(sumN)

### FIXED CODE ###

N,M = map(int,input().split())
A =list(map(int,input().split()))
A.sort(reverse=True)
A_len =len(A)
count =0
if A_len ==1:
    for l in range(0,M):
        A[0]=A[0]/2
else:
    for l in range(0,M):
        comp = A[0]/2
        for i in range(0,A_len-1,1):
            if count >= M:
                break
            if A[i+1]<comp:
                break
            while True:
                count +=1
                if A[i]/2 > A[i+1]:
                    A[i] = A[i]/2
                else:
                    A[i] = A[i]/2
                    break
        A.sort(reverse=True)
        if count>=M:
            break
A = [int(i) for i in A]
sumN =sum(A)
print(sumN)
n, m = map(int, input().split(' '))
_, *intersection = map(int, input().split(' '))
intersection = set(intersection)
for _ in range(1, n):
    _, *newlist = map(int, input().split(' '))
    intersection = intersection & set(newlist)
print(len(intersection))

### FIXED CODE ###

a, b = map(int, input().split())
print(a + b if b % a == 0 else b - a)