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 data[] = new int[n];
    int sum = 0;

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

    if (sum>=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 data[] = new int[n];
    int sum = 0;

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

    if (sum>=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 data[] = new int[n];
    int sum = 0;

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

    if (sum>=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 data[] = new int[n];
    int sum = 0;

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

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

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

    if (sum>=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 data[] = new int[n];
    int sum = 0;

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

    if (sum>=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 data[] = new int[n];
    int sum = 0;

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

    if (sum>=h) {
      System.out.println("Yes");
    }else{
      System.out.println("No");
    }



  }
}
