from functools import lru_cache
@lru_cache(maxsize=10**6)
def solve(N,K):
    if N==1:
        if K==0:
            return 0
        else:
            return 2
    return solve(N-1,K)+solve(N-1,K//N)
N,K=map(int,input().split())
print(solve(N,K)-1)