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();
        int A = 0;
        
        for(int i = 0; i < N; i++){
            A += sc.nextInt();
        }
        
        System.out.println(H > A ? "No" : "Yes");
    }
} 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();
        int A = 0;
        
        for(int i = 0; i < N; i++){
            A += sc.nextInt();
        }
        
        System.out.println(H > A ? "No" : "Yes");
    }
} Main public static void main(String[] args) throws Exception {
        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();
        }
        
        System.out.println(H > A ? "No" : "Yes");
    } 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();
        }
        
        System.out.println(H > A ? "No" : "Yes");
    } 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() A sc.nextInt() sc.nextInt sc System.out.println(H > A ? "No" : "Yes") System.out.println System.out System System.out H > A ? "No" : "Yes" H > A H A "No" "Yes" 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();
        int A = 0;
        
        for(int i = 0; i < N; i++){
            A += sc.nextInt();
        }
        
        System.out.println(H > A ? "No" : "Yes");
    }
} 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();
        int A = 0;
        
        for(int i = 0; i < N; i++){
            A += sc.nextInt();
        }
        
        System.out.println(H > A ? "No" : "Yes");
    }
} 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();
        int A = 0;
        
        for(int i = 0; i < N; i++){
            A += sc.nextInt();
        }
        
        System.out.println(H > A ? "No" : "Yes");
    }
}