package chelper;

import io.InputReader;
import io.OutputWriter;
import misc.SimpleSavingChelperSolution;


public class CHFAR extends SimpleSavingChelperSolution {

  public void solve(int testNumber, InputReader in, OutputWriter out) {
    wrapSolve(testNumber, in, out);
  }

  @Override
  public void solve(int testNumber) {
    int n = in.nextInt();
    int k = in.nextInt();

    int large = 0;
    for (int i = 0; i < n; i++) {
      int x = in.nextInt();
      if (x > 1) {
        large++;
      }
    }

    if (large > k) {
      out.println("NO");
    } else {
      out.println("YES");
    }
  }
}