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();
    int a[] = new int[n];
    for(int i = 0 ; i < n ; ++i){
      a[i] = sc.nextInt();
    }

    int count = 0;
    
    for(int i = 0 ; i < n ; ++i){
      count += a[i];
    }
    
    if(count >= h){
      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();
    int a[] = new int[n];
    for(int i = 0 ; i < n ; ++i){
      a[i] = sc.nextInt();
    }

    int count = 0;
    
    for(int i = 0 ; i < n ; ++i){
      count += a[i];
    }
    
    if(count >= h){
      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();
    }

    int count = 0;
    
    for(int i = 0 ; i < n ; ++i){
      count += a[i];
    }
    
    if(count >= 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 count = 0;
    
    for(int i = 0 ; i < n ; ++i){
      count += a[i];
    }
    
    if(count >= 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 count = 0; count 0 for(int i = 0 ; i < n ; ++i){
      count += a[i];
    } int i = 0 ; int i = 0 ; i 0 i < n i n ++i ++i i {
      count += a[i];
    } {
      count += a[i];
    } count += a[i] count a[i] a i if(count >= h){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    } count >= h count 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){
    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 count = 0;
    
    for(int i = 0 ; i < n ; ++i){
      count += a[i];
    }
    
    if(count >= h){
      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();
    int a[] = new int[n];
    for(int i = 0 ; i < n ; ++i){
      a[i] = sc.nextInt();
    }

    int count = 0;
    
    for(int i = 0 ; i < n ; ++i){
      count += a[i];
    }
    
    if(count >= h){
      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();
    int a[] = new int[n];
    for(int i = 0 ; i < n ; ++i){
      a[i] = sc.nextInt();
    }

    int count = 0;
    
    for(int i = 0 ; i < n ; ++i){
      count += a[i];
    }
    
    if(count >= h){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    }
    
  }
}