

import java.util.Scanner;

public class Main{
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int n = scan.nextInt();
		int count = 0;

		for (int i = 0; i < n; i++) {
			count += scan.nextInt();
		}

		if (h <= count)
			System.out.println("Yes");
		else
			System.out.println("No");

	}

}

/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