import java.util.*;
 class Main{
  public static void main(String [] args){
    Scanner sc = new Scanner(System.in);
    int HP = sc.nextInt();
    int N = sc.nextInt();
    int total = 0;
    for(int i=0; i < N; i++){
      total += sc.nextInt();
    }
    if(HP <= total ){ System.out.println("Yes");}
    else{ System.out.println("No");}
    
  }
 
 
 
} import java.util.*; util.* java class Main{
  public static void main(String [] args){
    Scanner sc = new Scanner(System.in);
    int HP = sc.nextInt();
    int N = sc.nextInt();
    int total = 0;
    for(int i=0; i < N; i++){
      total += sc.nextInt();
    }
    if(HP <= total ){ System.out.println("Yes");}
    else{ System.out.println("No");}
    
  }
 
 
 
} Main public static void main(String [] args){
    Scanner sc = new Scanner(System.in);
    int HP = sc.nextInt();
    int N = sc.nextInt();
    int total = 0;
    for(int i=0; i < N; i++){
      total += sc.nextInt();
    }
    if(HP <= total ){ System.out.println("Yes");}
    else{ System.out.println("No");}
    
  } main {
    Scanner sc = new Scanner(System.in);
    int HP = sc.nextInt();
    int N = sc.nextInt();
    int total = 0;
    for(int i=0; i < N; i++){
      total += sc.nextInt();
    }
    if(HP <= total ){ System.out.println("Yes");}
    else{ System.out.println("No");}
    
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int HP = sc.nextInt(); HP sc.nextInt() sc.nextInt sc int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc int total = 0; total 0 for(int i=0; i < N; i++){
      total += sc.nextInt();
    } int i=0; int i=0; i 0 i < N i N i++ i++ i {
      total += sc.nextInt();
    } {
      total += sc.nextInt();
    } total += sc.nextInt() total sc.nextInt() sc.nextInt sc if(HP <= total ){ System.out.println("Yes");}
    else{ System.out.println("No");} HP <= total HP total { 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 sc = new Scanner(System.in);
    int HP = sc.nextInt();
    int N = sc.nextInt();
    int total = 0;
    for(int i=0; i < N; i++){
      total += sc.nextInt();
    }
    if(HP <= total ){ System.out.println("Yes");}
    else{ System.out.println("No");}
    
  }
 
 
 
}