import sys
from functools import reduce
from math import gcd


def input(): return sys.stdin.readline().rstrip('\n')


def main():
    n, z = map(int, input().split())
    for x in range(1, z):
        for y in range(1, z):
            if x ** n + y ** n == z ** n:
                return 'Yes'
    return 'No'


if __name__ == '__main__':
    ret = main()
    if ret is not None:
        print(ret)