#include<bits/stdc++.h>
using namespace std;
int main(){
  int a, b; cin >> a >> b;
  string s; cin >> s;
  if( s[a] != '-') cout << 'No' << endl;
  else {
    for(int i = 0; i <= a; ++i){
      if(s[i] != 1, 2, 3, 4, 5, 6,7 ,8, 9,0) cout << 'No' << endl;
      else {
        for(int i = 0; a + 1 < i < a + b; ++i){
          if(s[i] == 0,1,2,3,4,5,6,7,8,9 ) cout << 'Yes' << endl;
          else cout << 'No' << endl;
        }
      }
    }
  }
}