230104

# print('Hello', end=' ')
# print('World')
#
# print('Hello', 'World', 'Apple', sep='')
#
# x = 3.141592
# print('%.2f' %x)

# print('\'He\nllo')

# print('Hello')

# print('Hello World')

# print('Hello\nWorld')

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

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

# print('\"C:\Download\\\'hello\'.py\"')

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

# x = input()
#
# print(x, type(x))
#
# x = int(x)
#
# print(x, type(x))

# x, y
# x, y = input().split(',')
# print(x, y)
# x
# y
# x = int(input())
# y = input()

# x = 'Hello'
# y = 'World'
# z = 100
# print(x+y+str(z))

# a=input()
# print(a)

# a = input()
# a=float(a)
# print(a)

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


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

# a=input()
# print(a,a,a)

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

# List: []
# tuple: ()
# Dictionary: {}

# x = input()
# print(x[0])
# print(x[1])
# print(x[2])
# print(x[3])
# print(x[4])

# a,b,c = input().split(':')
# print(b)

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

# + - * /    ** % //
# x = 10
# y = 6
#
# print(type(x), type(y))
#
# print(x+y)
# print(x-y)
# print(x*y)
# print(x/y)
#
# print(x//y)
# print(x%y)
#
# print(x**y)

# x = input()
# print(x)
#
# x = ord(x)
# print(x)
#
# x = x + 1
# x = chr(x)
# print(x)

# x = 'Hello'
# print(x * 5)

# 6032~6041
# a= input()
# print('-'+a)

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

# a=input()
# a= ord(a)
# a += 1
# a=chr(a)
# print(a)

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

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

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

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

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

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

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

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

# x, y = input().split()
# x = int(x)
# y = int(y)
#
# print(x >= y)

# and or not

# and: True and True
# or: True or True

'''
A B| and or |
0 0|  0  0  |
0 1|  0  1  |
1 0|  0  1  |
1 1|  1  1  |
a and b
not(a and b)

'''

# x, y = input().split()
# x = bool(int(x))
# y = bool(int(y))
#
# print( x and y)
# # string: Null, None, 0(Numeric), [], (), {} > False, other all True
#
# 6052~6058

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

# a=input()
# b=0
# b=bool(int(b))
# a=bool(int(a))
# print(not(a or b))

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

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

# a,b=input().split()
# a=bool(int(a))
# b=bool(int(b))
# c= not(a and b) and (a or b)
# print(c)

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

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

# Anaconda
# Pycharm

# https://toward-the-future.tistory.com/entry/Python-%ED%8C%8C%EC%9D%B4%EC%B0%B8Pycharm-%EC%84%A4%EC%B9%98-%EB%B0%8F-%EC%95%84%EB%82%98%EC%BD%98%EB%8B%A4anaconda-%EA%B0%80%EC%83%81%ED%99%98%EA%B2%BD-%EC%97%B0%EB%8F%99%ED%95%98%EA%B8%B0