221023

'''
1. input and output
2. oper
3. if
4. loop
5. data type
6. function
7. class
8. library
'''

# n = input()
# # ASCII
#
# print(n)
# print(type(n))

# import matplotlib.pyplot as plt
#
# for i in range(5):      # 0 ~ 4
#     x, y = input().split()
#     x = int(x)
#     y = int(y)
#     plt.plot([x, y])
# plt.show()

# print('Hello')
# escape sequence
# \' \t \n

# print('Hello World')

# print('\'Hello\'')

# print('"!@#$%^&*()\'')

# print('print("Hello\\nWorld")')

# n = input()
# n = int(n)
# n = int(input())
#
# print(n)

# n, m = input().split()
# n = int(n)
# m = int(m)

# n, m = int(input().split())

# n, m = map(int, input().split())

# print(n + m)

# x = float(input())
#
# print(x)

# data = input().split()
#
# # data is list
#
# print(data)
#
# for i in range(len(data)):
#     print(data[i])

# data = ['apple', 'banana', 'melon']
#
# print('apple' in data)

# 정수: int
# 실수: float
# 문자: chr
# 숫자 > 문자, 문자 > 숫자: ord, chr <<

# n = input()
#
# print(n)
# n = ord(n)
# print(n)
#
# n = chr(n)
# print(n)

# a = input()
# b = input()
# a=int(a)
# b=int(b)
# print(a)
# print(b)



# n = input()
# n=float(n)
# print(n)
# print(n)
# print(n)
#
# a, b = input().split()
# print(b,a)
#
# a,b = input().split(':')
# print(a,b,sep=':')

# n, m = map(int, input().split())

# a,b=map(str,input().split('-'))
# print(a+b)

# n=input()
# print(n[0:2],n[2:4],n[4:6])

# # + - * /  + // %
# x, y = map(int, input().split())
#
# # bit <
# print(x + y)
# print(x - y)
# print(x * y)
# print(x / y)
#
# print(x ** y)
#
# data = 'hello'
# print( data * 5)
# # x ^ y: bit
# # print('%.2f' %(x/y))
# # %d: 10
# # %o:
# # %x: A

'''
0   0
1   1
2   2
3   3
4   4
5   5
6   
7
8
9
10  A
11  B
15  F
FF = 1*(16^2) + 1*(16^1)
# 12345
1 * 10000 + 2 * 1000 +...
1 * 10 ^ 4 + 2 * 10 ^ 3

'''
#
# print(x // y)
# # print(x % y)        # 나머지 연산자: rotate

# a,b = map(int,input().split())
# print(a - b)


# a,b = input().split()
# print(a*int(b))

# a,b = map(int,input().split())
# print(a**b)
#
# a,b = map(int,input().split())
# print(a//b)

# a,b = map(int,input().split())
# print(a%b)

# a,b = map(int,input().split())
# print(a<b)
#
# a,b = map(int,input().split())
# print(a==b)
#
# a,b = map(int,input().split())
# print(a<=b)

# a,b = map(int,input().split())
# print(a!=b)

# n= int(input())
# print(bool(n))
#
# n = bool(int(input()))
# print(not n)

# a, b = map(int, (input().split()))
# a = bool(a)
# b = bool(b)
# print( a and b )

# a, b = map(int, (input().split()))
# a = bool(a)
# b = bool(b)
# print( a or b )

# a, b = map(int, (input().split()))
# a = bool(a)
# b = bool(b)
# print( a != b )

# a, b = map(int, (input().split()))
# a = bool(a)
# b = bool(b)
# print( a == b )

a, b = map(int, (input().split()))
a = bool(a)
b = bool(b)
print( not a and not b )