#include<stdio.h>
#include<math.h>

int main(void) {
	int check =0;
	long long int N,i;
	scanf("%lld", &N);
	for (i = sqrt(sqrt(N)); i*i*i <= N; i++) {
		if (N == i * i * i) {
			check = 1;
		}
	}
	if (check) {
		printf("Yes\n");
	}else {
		printf("No\n");
	}

}