import java.util.Scanner;
class Main{
	public static void main(String args[]){
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int n = sc.nextInt();
		int sum = 0;

		for(int i=0;i<n;i++) {
			sum += sc.nextInt();
		}
		System.out.print(h<=sum?"Yes":"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