
import java.util.*;

public class Main{

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        long H = scanner.nextLong();
        long N = scanner.nextLong();
        long total = 0;
        for (int i=0;i<N;i++)
        {
            total+=scanner.nextLong();
        }
        System.out.println(total<H?"No":"Yes");
    }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz