n = int(input())

s = input()

​

#Gray code(recursive)

def Gray_code(n):

    dp = [[] for _ in range(n+1)]

    dp[0].append('')

    for i in range(1,n+1):

        for t in dp[i-1]:

            dp[i].append('0' + t)

        for t in dp[i-1][::-1]:

            dp[i].append('1' + t)

    return dp[n]

​

g = Gray_code(n)

a = [bin(int(v,2) ^ int(s,2))[2:].zfill(n) for v in g]

for v in a:

    print(v)