import java.util.*;

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

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