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 waza;
        boolean hantei = false;
        for(int i = 0; i < N; i++) {
            waza = sc.nextInt();
            H -= waza;
            if(H <= 0) {
                hantei = true;
            }
        }
        
        if(hantei) {
            System.out.println("Yes");
        }else {
            System.out.println("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();
        int waza;
        boolean hantei = false;
        for(int i = 0; i < N; i++) {
            waza = sc.nextInt();
            H -= waza;
            if(H <= 0) {
                hantei = true;
            }
        }
        
        if(hantei) {
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
        
        

    }
} Main public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int N = sc.nextInt();
        int waza;
        boolean hantei = false;
        for(int i = 0; i < N; i++) {
            waza = sc.nextInt();
            H -= waza;
            if(H <= 0) {
                hantei = true;
            }
        }
        
        if(hantei) {
            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 waza;
        boolean hantei = false;
        for(int i = 0; i < N; i++) {
            waza = sc.nextInt();
            H -= waza;
            if(H <= 0) {
                hantei = true;
            }
        }
        
        if(hantei) {
            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 waza; waza boolean hantei = false; hantei false for(int i = 0; i < N; i++) {
            waza = sc.nextInt();
            H -= waza;
            if(H <= 0) {
                hantei = true;
            }
        } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
            waza = sc.nextInt();
            H -= waza;
            if(H <= 0) {
                hantei = true;
            }
        } {
            waza = sc.nextInt();
            H -= waza;
            if(H <= 0) {
                hantei = true;
            }
        } waza = sc.nextInt() waza sc.nextInt() sc.nextInt sc H -= waza H waza if(H <= 0) {
                hantei = true;
            } H <= 0 H 0 {
                hantei = true;
            } hantei = true hantei true if(hantei) {
            System.out.println("Yes");
        }else {
            System.out.println("No");
        } hantei {
            System.out.println("Yes");
        } System.out.println("Yes") System.out.println System.out System System.out "Yes" {
            System.out.println("No");
        } 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) throws Exception {
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int N = sc.nextInt();
        int waza;
        boolean hantei = false;
        for(int i = 0; i < N; i++) {
            waza = sc.nextInt();
            H -= waza;
            if(H <= 0) {
                hantei = true;
            }
        }
        
        if(hantei) {
            System.out.println("Yes");
        }else {
            System.out.println("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();
        int waza;
        boolean hantei = false;
        for(int i = 0; i < N; i++) {
            waza = sc.nextInt();
            H -= waza;
            if(H <= 0) {
                hantei = true;
            }
        }
        
        if(hantei) {
            System.out.println("Yes");
        }else {
            System.out.println("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();
        int waza;
        boolean hantei = false;
        for(int i = 0; i < N; i++) {
            waza = sc.nextInt();
            H -= waza;
            if(H <= 0) {
                hantei = true;
            }
        }
        
        if(hantei) {
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
        
        

    }
}
