import java.util.Scanner;

public class Main {
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int n = sc.nextInt();
		for (int i = 0; i < n; i++) {
			int a = sc.nextInt();
			h -= a;
		}
		String ans = h <= 0 ? "Yes" : "No";
		System.out.println(ans);
		sc.close();
	}
} import java.util.Scanner; Scanner java.util public class Main {
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int n = sc.nextInt();
		for (int i = 0; i < n; i++) {
			int a = sc.nextInt();
			h -= a;
		}
		String ans = h <= 0 ? "Yes" : "No";
		System.out.println(ans);
		sc.close();
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int n = sc.nextInt();
		for (int i = 0; i < n; i++) {
			int a = sc.nextInt();
			h -= a;
		}
		String ans = h <= 0 ? "Yes" : "No";
		System.out.println(ans);
		sc.close();
	} main {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int n = sc.nextInt();
		for (int i = 0; i < n; i++) {
			int a = sc.nextInt();
			h -= a;
		}
		String ans = h <= 0 ? "Yes" : "No";
		System.out.println(ans);
		sc.close();
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int h = sc.nextInt(); h sc.nextInt() sc.nextInt sc int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc for (int i = 0; i < n; i++) {
			int a = sc.nextInt();
			h -= a;
		} int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
			int a = sc.nextInt();
			h -= a;
		} {
			int a = sc.nextInt();
			h -= a;
		} int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc h -= a h a String ans = h <= 0 ? "Yes" : "No"; ans h <= 0 ? "Yes" : "No" h <= 0 h 0 "Yes" "No" System.out.println(ans) System.out.println System.out System System.out ans sc.close() sc.close sc String[] args args public class Main {
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int n = sc.nextInt();
		for (int i = 0; i < n; i++) {
			int a = sc.nextInt();
			h -= a;
		}
		String ans = h <= 0 ? "Yes" : "No";
		System.out.println(ans);
		sc.close();
	}
} public class Main {
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int n = sc.nextInt();
		for (int i = 0; i < n; i++) {
			int a = sc.nextInt();
			h -= a;
		}
		String ans = h <= 0 ? "Yes" : "No";
		System.out.println(ans);
		sc.close();
	}
} Main
import java.util.Scanner;

public class Main {
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int n = sc.nextInt();
		for (int i = 0; i < n; i++) {
			int a = sc.nextInt();
			h -= a;
		}
		String ans = h <= 0 ? "Yes" : "No";
		System.out.println(ans);
		sc.close();
	}
}
