E regional

#include <bits/stdc++.h>

using namespace std;

int c, n, a[30], ans;


void rec(int v, int cur){
  if(cur > c){
    return;
  }
  if(cur == c){
    ans = 1000;
    return;
  }
  for(int i = v; i <= n; i++){
    if(ans == 1000){
      return;
    }
    rec(i, cur + a[i]);
  }
}

int main(){
  //freopen("E.in", "r", stdin);
	//freopen("E.out", "w", stdout);
  scanf("%d %d", &c, &n);
  for(int i = 1; i <= n; i++){
    cin >> a[i];
  }
  for(int i = 1; i <= n; i++){
    rec(i, a[i]);
    if(ans == 1000){
      printf("YES");
      return 0;
    }

  }
  printf("NO");
  return 0;
}