mod = 1000000007
eps = 10**-9


def main():
    import sys
    input = sys.stdin.readline

    n, z = map(int, input().split())
    flg = 0
    for x in range(1, z):
        w = z**n - x**n
        ok = z
        ng = 0
        mid = (ok+ng)//2
        while ok - ng > 1:
            if mid ** n >= w:
                ok = mid
            else:
                ng = mid
            mid = (ok+ng)//2
        if ok ** 2 == w:
            flg = 1
            break
    if flg:
        print("Yes")
    else:
        print("No")


if __name__ == '__main__':
    main()