#include <bits/stdc++.h>
using namespace std;
int main() {
  int A, B;
  cin >> A >> B;
  string S;
  cin >> S;
  for (int i = 0; i < S.size(); i++) {
    if (S.at(A + 1) == '-') {
      cout << "Yes" << endl;
    } else {
      cout << "No" << endl;
    }
  }
}
