#include <stdio.h>
#include <string.h>

#define u_int64 unsigned long long

u_int64 ori_pow(u_int64 base, u_int64 num)
{
	u_int64 ans = 1;
	u_int64 i = num;
	while (num != 0) {
		ans = ans * base;
		num--;
	}
	return ans;
}

int main(int argc, char* argv[])
{
	u_int64 n = 0;
	u_int64 z = 0;
	u_int64 ans = 0;
	u_int64 maxSize = 0;

	scanf("%lld%lld", &n, &z);


	ans = ori_pow(z, n);
	maxSize = ori_pow(10, 6);

	if (n < 0 || 100 < n || z < 0 || maxSize < ans) {
		printf("No");
		return;
	}

	int		x = 1;
	int		y = 1;
	u_int64	check = 0;
	char	isOK = 0; // yes = 1, no = 0

	while (!isOK) {
		y = 1;
		check = 0;
		if (maxSize < ori_pow(x, n)) {
			break;
		}
		while (check < ans) {
			check = ori_pow(x, n) + ori_pow(y, n);
			if (check == ans) {
				isOK = 1;
				break;
			}
			y++;
		}
		x++;
	}

	if (isOK) {
		printf("Yes");

	}
	else {
		printf("No");
	}
	
	return 0;
}