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();
        long at = 0;
        for (int i=0;i<n;i++)at+=sc.nextInt();
        if (h<=at)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();
        long at = 0;
        for (int i=0;i<n;i++)at+=sc.nextInt();
        if (h<=at)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();
        long at = 0;
        for (int i=0;i<n;i++)at+=sc.nextInt();
        if (h<=at)System.out.println("Yes");
        else System.out.println("No");
    } main {
        Scanner sc = new Scanner(System.in);
        int h = sc.nextInt();
        int n = sc.nextInt();
        long at = 0;
        for (int i=0;i<n;i++)at+=sc.nextInt();
        if (h<=at)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 long at = 0; at 0 for (int i=0;i<n;i++)at+=sc.nextInt(); int i=0; int i=0; i 0 i<n i n i++ i++ i at+=sc.nextInt(); at+=sc.nextInt() at sc.nextInt() sc.nextInt sc if (h<=at)System.out.println("Yes");
        else System.out.println("No"); h<=at h at 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();
        long at = 0;
        for (int i=0;i<n;i++)at+=sc.nextInt();
        if (h<=at)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();
        long at = 0;
        for (int i=0;i<n;i++)at+=sc.nextInt();
        if (h<=at)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();
        long at = 0;
        for (int i=0;i<n;i++)at+=sc.nextInt();
        if (h<=at)System.out.println("Yes");
        else System.out.println("No");
    }
}
