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