#include <iostream>
#include <string>
#include <math.h>

using namespace std;
using INT = unsigned long long;

INT _pow(INT a, INT b)
{
    INT c = a;
    while (--b > 0) {
        c *= a;
    }
    return c;
}

const char *solve(INT n, INT z)
{
    const INT A = pow(z, n);
    INT x, y;

    x = 1;
    while (1) {
        y = 1;
        while (1) {
            INT a = _pow(x, n) + _pow(y, n);
            if (a == A) {
                return "Yes";
            }
            if (a > A) {
                if (y == 1) {
                    return "No";
                }
                break;
            }
            y++;
        }
        x++;
    }
}

int main()
{
    INT n, z;
    cin >> n >> z;
    cout << solve(n, z) << endl;
}