n, z = map(int, input().split())
if n == 1:
    if z == 1:
        print('No')
    else:
        print('Yes')
else:
    c = pow(z, n)
    x = 1
    while pow(x, n) < c:
        b = c - pow(x, n)
        for i in range(b + 1):
            if pow(i, n) > b:
                break
            if pow(i, n) == b:
                print('Yes')
                exit(0)
        x += 1
    print('No')