题解 | #小乐乐改数字#

num_str = input()

# for char in num_str:
#     if(int(char)%2 == 0): 
#         char = '0'
#     else:
#         char = '1'
# num_str1 = ""

# for i in range(len(num_str)):
#     if(int(num_str[i])%2 == 0): 
#         num_str1[i] = '0'
#     else:
#         num_str1[i] = '1'

# for i in range(len(num_str)):
#     if(int(num_str[i])%2 == 0): 
#         num_str1 = num_str1.join('0')
#     else:
#         num_str1 = num_str1.join('1')

num_str1 = "".join("0" if int(char)%2== 0 else "1" for char in num_str)

print(int(num_str1))