/* -*- coding: utf-8 -*-
 *
 * 3248.cc:  No.3248 讒狗ｯ牙撫鬘・- yukicoder
 */

#include<cstdio>
#include<algorithm>

using namespace std;

/* main */

int main() {
  int n, x;
  scanf("%d%d", &n, &x);

  if (n > 1) puts("Yes");
  else puts("No");

  return 0;
}