import java.util.*;
import java.io.*;

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

class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int h = sc.nextInt();
    int n = sc.nextInt();
    int arr[] = new int[n];
    for(int i=0;i<n;i++){
      arr[i] = sc.nextInt();
      h = h-arr[i];
    }
    if(h<=0) System.out.println("Yes");
    else System.out.println("No");
  }
}
    
      
      