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[] = new int[N];
        for(int i = 0; i < N; ++i){
            A[i] = sc.nextInt();
        }
        int total = 0;
        for(int i = 0; i < N; ++i){
            total += A[i];
        }
        if(total >= H){
            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 A[] = new int[N];
        for(int i = 0; i < N; ++i){
            A[i] = sc.nextInt();
        }
        int total = 0;
        for(int i = 0; i < N; ++i){
            total += A[i];
        }
        if(total >= H){
            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 A[] = new int[N];
        for(int i = 0; i < N; ++i){
            A[i] = sc.nextInt();
        }
        int total = 0;
        for(int i = 0; i < N; ++i){
            total += A[i];
        }
        if(total >= H){
            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();
        }
        int total = 0;
        for(int i = 0; i < N; ++i){
            total += A[i];
        }
        if(total >= H){
            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 int total = 0; total 0 for(int i = 0; i < N; ++i){
            total += A[i];
        } int i = 0; int i = 0; i 0 i < N i N ++i ++i i {
            total += A[i];
        } {
            total += A[i];
        } total += A[i] total A[i] A i if(total >= H){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        } total >= H total H {
            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 A[] = new int[N];
        for(int i = 0; i < N; ++i){
            A[i] = sc.nextInt();
        }
        int total = 0;
        for(int i = 0; i < N; ++i){
            total += A[i];
        }
        if(total >= H){
            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 A[] = new int[N];
        for(int i = 0; i < N; ++i){
            A[i] = sc.nextInt();
        }
        int total = 0;
        for(int i = 0; i < N; ++i){
            total += A[i];
        }
        if(total >= H){
            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 A[] = new int[N];
        for(int i = 0; i < N; ++i){
            A[i] = sc.nextInt();
        }
        int total = 0;
        for(int i = 0; i < N; ++i){
            total += A[i];
        }
        if(total >= H){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
    }
}