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++) {
			H = H - sc.nextInt();
		}

		if(H <= 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		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++) {
			H = H - sc.nextInt();
		}

		if(H <= 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		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++) {
			H = H - sc.nextInt();
		}

		if(H <= 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		sc.close();
	} main {
		
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int N = sc.nextInt();
		
		for(int i = 0; i < N; i++) {
			H = H - sc.nextInt();
		}

		if(H <= 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		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++) {
			H = H - sc.nextInt();
		} int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
			H = H - sc.nextInt();
		} {
			H = H - sc.nextInt();
		} H = H - sc.nextInt() H H - sc.nextInt() H sc.nextInt() sc.nextInt sc if(H <= 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		} H <= 0 H 0 {
			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" 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++) {
			H = H - sc.nextInt();
		}

		if(H <= 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		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++) {
			H = H - sc.nextInt();
		}

		if(H <= 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		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++) {
			H = H - sc.nextInt();
		}

		if(H <= 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		sc.close();
	}
	
}