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 = new int[n];
		
		for(int i=0; i<n; i++){
		    a[i] = sc.nextInt();
		    h = h-a[i];
		    if(h<=0){
		        System.out.println("Yes");
		        return;
		    }
		}
		
		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 = new int[n];
		
		for(int i=0; i<n; i++){
		    a[i] = sc.nextInt();
		    h = h-a[i];
		    if(h<=0){
		        System.out.println("Yes");
		        return;
		    }
		}
		
		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 = new int[n];
		
		for(int i=0; i<n; i++){
		    a[i] = sc.nextInt();
		    h = h-a[i];
		    if(h<=0){
		        System.out.println("Yes");
		        return;
		    }
		}
		
		System.out.println("No");
	} main {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int n = sc.nextInt();
		int[] a = new int[n];
		
		for(int i=0; i<n; i++){
		    a[i] = sc.nextInt();
		    h = h-a[i];
		    if(h<=0){
		        System.out.println("Yes");
		        return;
		    }
		}
		
		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 = new int[n]; a new int[n] n for(int i=0; i<n; i++){
		    a[i] = sc.nextInt();
		    h = h-a[i];
		    if(h<=0){
		        System.out.println("Yes");
		        return;
		    }
		} int i=0; int i=0; i 0 i<n i n i++ i++ i {
		    a[i] = sc.nextInt();
		    h = h-a[i];
		    if(h<=0){
		        System.out.println("Yes");
		        return;
		    }
		} {
		    a[i] = sc.nextInt();
		    h = h-a[i];
		    if(h<=0){
		        System.out.println("Yes");
		        return;
		    }
		} a[i] = sc.nextInt() a[i] a i sc.nextInt() sc.nextInt sc h = h-a[i] h h-a[i] h a[i] a i if(h<=0){
		        System.out.println("Yes");
		        return;
		    } h<=0 h 0 {
		        System.out.println("Yes");
		        return;
		    } System.out.println("Yes") System.out.println System.out System System.out "Yes" return; 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 = new int[n];
		
		for(int i=0; i<n; i++){
		    a[i] = sc.nextInt();
		    h = h-a[i];
		    if(h<=0){
		        System.out.println("Yes");
		        return;
		    }
		}
		
		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 = new int[n];
		
		for(int i=0; i<n; i++){
		    a[i] = sc.nextInt();
		    h = h-a[i];
		    if(h<=0){
		        System.out.println("Yes");
		        return;
		    }
		}
		
		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 = new int[n];
		
		for(int i=0; i<n; i++){
		    a[i] = sc.nextInt();
		    h = h-a[i];
		    if(h<=0){
		        System.out.println("Yes");
		        return;
		    }
		}
		
		System.out.println("No");
	}
}
