//package com.company;
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();
        ArrayList<Integer> a = new ArrayList<>(N);
        for (int i = 0; i < N; i++) {
            int val;
            val = sc.nextInt();
            a.add(val);
        }
        for (int i = 0; i < N; i++) {
            H -= a.get(i);
        }
        if (H <= 0)
            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();
        ArrayList<Integer> a = new ArrayList<>(N);
        for (int i = 0; i < N; i++) {
            int val;
            val = sc.nextInt();
            a.add(val);
        }
        for (int i = 0; i < N; i++) {
            H -= a.get(i);
        }
        if (H <= 0)
            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();
        ArrayList<Integer> a = new ArrayList<>(N);
        for (int i = 0; i < N; i++) {
            int val;
            val = sc.nextInt();
            a.add(val);
        }
        for (int i = 0; i < N; i++) {
            H -= a.get(i);
        }
        if (H <= 0)
            System.out.println("Yes");
        else
            System.out.println("No");
    } main {
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int N = sc.nextInt();
        ArrayList<Integer> a = new ArrayList<>(N);
        for (int i = 0; i < N; i++) {
            int val;
            val = sc.nextInt();
            a.add(val);
        }
        for (int i = 0; i < N; i++) {
            H -= a.get(i);
        }
        if (H <= 0)
            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 ArrayList<Integer> a = new ArrayList<>(N); a new ArrayList<>(N) for (int i = 0; i < N; i++) {
            int val;
            val = sc.nextInt();
            a.add(val);
        } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
            int val;
            val = sc.nextInt();
            a.add(val);
        } {
            int val;
            val = sc.nextInt();
            a.add(val);
        } int val; val val = sc.nextInt() val sc.nextInt() sc.nextInt sc a.add(val) a.add a val for (int i = 0; i < N; i++) {
            H -= a.get(i);
        } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
            H -= a.get(i);
        } {
            H -= a.get(i);
        } H -= a.get(i) H a.get(i) a.get a i if (H <= 0)
            System.out.println("Yes");
        else
            System.out.println("No"); H <= 0 H 0 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();
        ArrayList<Integer> a = new ArrayList<>(N);
        for (int i = 0; i < N; i++) {
            int val;
            val = sc.nextInt();
            a.add(val);
        }
        for (int i = 0; i < N; i++) {
            H -= a.get(i);
        }
        if (H <= 0)
            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();
        ArrayList<Integer> a = new ArrayList<>(N);
        for (int i = 0; i < N; i++) {
            int val;
            val = sc.nextInt();
            a.add(val);
        }
        for (int i = 0; i < N; i++) {
            H -= a.get(i);
        }
        if (H <= 0)
            System.out.println("Yes");
        else
            System.out.println("No");
    }
} Main
//package com.company;
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();
        ArrayList<Integer> a = new ArrayList<>(N);
        for (int i = 0; i < N; i++) {
            int val;
            val = sc.nextInt();
            a.add(val);
        }
        for (int i = 0; i < N; i++) {
            H -= a.get(i);
        }
        if (H <= 0)
            System.out.println("Yes");
        else
            System.out.println("No");
    }
}
