import java.util.*;

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

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