from math import modf
from sys import stdin


def main():
    input = lambda: stdin.readline()[:-1]
    N, Z = map(int, input().split())

    zn = Z ** N
    for x in range(1, zn + 1):
        yn = zn - x ** N
        if yn < 1:
            print("No")
            break
        f, i = modf(yn ** (1 / N))
        if not f:
            print("Yes")
            break


main()