import java.util.Scanner;
class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int N = sc.nextInt();
        int[] A = new int[N];

        for (int i = 0; i < N; i++) {
            A[i] = sc.nextInt();
        }
        
        boolean isWin = false;

        for (int j = 0; j < N; j++) {

            if ((H - A[j]) <= 0) {
                isWin = true;
                break;
            } else {
                H -= A[j];
                
            }
        }
        if (isWin) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    }
} import java.util.Scanner; Scanner java.util class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int N = sc.nextInt();
        int[] A = new int[N];

        for (int i = 0; i < N; i++) {
            A[i] = sc.nextInt();
        }
        
        boolean isWin = false;

        for (int j = 0; j < N; j++) {

            if ((H - A[j]) <= 0) {
                isWin = true;
                break;
            } else {
                H -= A[j];
                
            }
        }
        if (isWin) {
            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();
        int[] A = new int[N];

        for (int i = 0; i < N; i++) {
            A[i] = sc.nextInt();
        }
        
        boolean isWin = false;

        for (int j = 0; j < N; j++) {

            if ((H - A[j]) <= 0) {
                isWin = true;
                break;
            } else {
                H -= A[j];
                
            }
        }
        if (isWin) {
            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[] A = new int[N];

        for (int i = 0; i < N; i++) {
            A[i] = sc.nextInt();
        }
        
        boolean isWin = false;

        for (int j = 0; j < N; j++) {

            if ((H - A[j]) <= 0) {
                isWin = true;
                break;
            } else {
                H -= A[j];
                
            }
        }
        if (isWin) {
            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[] A = new int[N]; A new int[N] N for (int i = 0; i < N; i++) {
            A[i] = sc.nextInt();
        } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
            A[i] = sc.nextInt();
        } {
            A[i] = sc.nextInt();
        } A[i] = sc.nextInt() A[i] A i sc.nextInt() sc.nextInt sc boolean isWin = false; isWin false for (int j = 0; j < N; j++) {

            if ((H - A[j]) <= 0) {
                isWin = true;
                break;
            } else {
                H -= A[j];
                
            }
        } int j = 0; int j = 0; j 0 j < N j N j++ j++ j {

            if ((H - A[j]) <= 0) {
                isWin = true;
                break;
            } else {
                H -= A[j];
                
            }
        } {

            if ((H - A[j]) <= 0) {
                isWin = true;
                break;
            } else {
                H -= A[j];
                
            }
        } if ((H - A[j]) <= 0) {
                isWin = true;
                break;
            } else {
                H -= A[j];
                
            } (H - A[j]) <= 0 (H - A[j]) H A[j] A j 0 {
                isWin = true;
                break;
            } isWin = true isWin true break; {
                H -= A[j];
                
            } H -= A[j] H A[j] A j if (isWin) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        } isWin {
            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
import java.util.Scanner;
class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int N = sc.nextInt();
        int[] A = new int[N];

        for (int i = 0; i < N; i++) {
            A[i] = sc.nextInt();
        }
        
        boolean isWin = false;

        for (int j = 0; j < N; j++) {

            if ((H - A[j]) <= 0) {
                isWin = true;
                break;
            } else {
                H -= A[j];
                
            }
        }
        if (isWin) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    }
}