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 total = 0;
    int data[] = new int[N];

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

    for (int i = 0 ; i < N ; i++ ) {
        total = data[i] + total;
    }
    //System.out.println(total);

    if (total >= 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 total = 0;
    int data[] = new int[N];

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

    for (int i = 0 ; i < N ; i++ ) {
        total = data[i] + total;
    }
    //System.out.println(total);

    if (total >= 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 total = 0;
    int data[] = new int[N];

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

    for (int i = 0 ; i < N ; i++ ) {
        total = data[i] + total;
    }
    //System.out.println(total);

    if (total >= 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 total = 0;
    int data[] = new int[N];

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

    for (int i = 0 ; i < N ; i++ ) {
        total = data[i] + total;
    }
    //System.out.println(total);

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

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

    for (int i = 0 ; i < N ; i++ ) {
        total = data[i] + total;
    }
    //System.out.println(total);

    if (total >= 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 total = 0;
    int data[] = new int[N];

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

    for (int i = 0 ; i < N ; i++ ) {
        total = data[i] + total;
    }
    //System.out.println(total);

    if (total >= 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 total = 0;
    int data[] = new int[N];

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

    for (int i = 0 ; i < N ; i++ ) {
        total = data[i] + total;
    }
    //System.out.println(total);

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