import java.util.*;
class Main {
  public static void main(String[]args){
    Scanner scanner = new Scanner(System.in);
    int h = scanner.nextInt();
    int n = scanner.nextInt();
    int x = 0;
    int aS = 0;
    
    for(int i=0; i<n; i++){
      x = scanner.nextInt();
      aS += x;
    }  
    
    if(aS>=h){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    }
    
  }
} import java.util.*; util.* java class Main {
  public static void main(String[]args){
    Scanner scanner = new Scanner(System.in);
    int h = scanner.nextInt();
    int n = scanner.nextInt();
    int x = 0;
    int aS = 0;
    
    for(int i=0; i<n; i++){
      x = scanner.nextInt();
      aS += x;
    }  
    
    if(aS>=h){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    }
    
  }
} Main public static void main(String[]args){
    Scanner scanner = new Scanner(System.in);
    int h = scanner.nextInt();
    int n = scanner.nextInt();
    int x = 0;
    int aS = 0;
    
    for(int i=0; i<n; i++){
      x = scanner.nextInt();
      aS += x;
    }  
    
    if(aS>=h){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    }
    
  } main {
    Scanner scanner = new Scanner(System.in);
    int h = scanner.nextInt();
    int n = scanner.nextInt();
    int x = 0;
    int aS = 0;
    
    for(int i=0; i<n; i++){
      x = scanner.nextInt();
      aS += x;
    }  
    
    if(aS>=h){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    }
    
  } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) int h = scanner.nextInt(); h scanner.nextInt() scanner.nextInt scanner int n = scanner.nextInt(); n scanner.nextInt() scanner.nextInt scanner int x = 0; x 0 int aS = 0; aS 0 for(int i=0; i<n; i++){
      x = scanner.nextInt();
      aS += x;
    } int i=0; int i=0; i 0 i<n i n i++ i++ i {
      x = scanner.nextInt();
      aS += x;
    } {
      x = scanner.nextInt();
      aS += x;
    } x = scanner.nextInt() x scanner.nextInt() scanner.nextInt scanner aS += x aS x if(aS>=h){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    } aS>=h aS 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
import java.util.*;
class Main {
  public static void main(String[]args){
    Scanner scanner = new Scanner(System.in);
    int h = scanner.nextInt();
    int n = scanner.nextInt();
    int x = 0;
    int aS = 0;
    
    for(int i=0; i<n; i++){
      x = scanner.nextInt();
      aS += x;
    }  
    
    if(aS>=h){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    }
    
  }
}