import 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();
		int total = 0;
		for(int i = 0;i < N;i++) {
			int A = sc.nextInt();
			total += A;
		}
		if(total >= H) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}
} import java.util.*; util.* java public class Main{
  public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int N = sc.nextInt();
		int total = 0;
		for(int i = 0;i < N;i++) {
			int A = sc.nextInt();
			total += A;
		}
		if(total >= H) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int N = sc.nextInt();
		int total = 0;
		for(int i = 0;i < N;i++) {
			int A = sc.nextInt();
			total += A;
		}
		if(total >= H) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	} main {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int N = sc.nextInt();
		int total = 0;
		for(int i = 0;i < N;i++) {
			int A = sc.nextInt();
			total += A;
		}
		if(total >= H) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	} 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 int total = 0; total 0 for(int i = 0;i < N;i++) {
			int A = sc.nextInt();
			total += A;
		} int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
			int A = sc.nextInt();
			total += A;
		} {
			int A = sc.nextInt();
			total += A;
		} int A = sc.nextInt(); A sc.nextInt() sc.nextInt sc total += A total A if(total >= H) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		} total >= H total H {
			System.out.println("Yes");
		} System.out.println("Yes") System.out.println System.out System System.out "Yes" {
			System.out.println("No");
		} System.out.println("No") System.out.println System.out System System.out "No" 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();
		int total = 0;
		for(int i = 0;i < N;i++) {
			int A = sc.nextInt();
			total += A;
		}
		if(total >= H) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}
} public class Main{
  public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int N = sc.nextInt();
		int total = 0;
		for(int i = 0;i < N;i++) {
			int A = sc.nextInt();
			total += A;
		}
		if(total >= H) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}
} Main
import 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();
		int total = 0;
		for(int i = 0;i < N;i++) {
			int A = sc.nextInt();
			total += A;
		}
		if(total >= H) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}
}