import java.util.Arrays;
import java.util.Scanner;

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];
    int sum = 0; boolean flag = true;
    for(int i=0;i<n;i++) {
      arr[i]=sc.nextInt();
      sum = sum + arr[i];
    }
    String ans = (sum>=h) ? "Yes" : "No";
    System.out.println(ans);


    }
  } import java.util.Arrays; Arrays java.util import java.util.Scanner; Scanner java.util 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];
    int sum = 0; boolean flag = true;
    for(int i=0;i<n;i++) {
      arr[i]=sc.nextInt();
      sum = sum + arr[i];
    }
    String ans = (sum>=h) ? "Yes" : "No";
    System.out.println(ans);


    }
  } 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];
    int sum = 0; boolean flag = true;
    for(int i=0;i<n;i++) {
      arr[i]=sc.nextInt();
      sum = sum + arr[i];
    }
    String ans = (sum>=h) ? "Yes" : "No";
    System.out.println(ans);


    } main {
    Scanner sc = new Scanner(System.in);
    int h = sc.nextInt();
    int n = sc.nextInt();
    int[] arr = new int[n];
    int sum = 0; boolean flag = true;
    for(int i=0;i<n;i++) {
      arr[i]=sc.nextInt();
      sum = sum + arr[i];
    }
    String ans = (sum>=h) ? "Yes" : "No";
    System.out.println(ans);


    } 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 int sum = 0; sum 0 boolean flag = true; flag true for(int i=0;i<n;i++) {
      arr[i]=sc.nextInt();
      sum = sum + arr[i];
    } int i=0; int i=0; i 0 i<n i n i++ i++ i {
      arr[i]=sc.nextInt();
      sum = sum + arr[i];
    } {
      arr[i]=sc.nextInt();
      sum = sum + arr[i];
    } arr[i]=sc.nextInt() arr[i] arr i sc.nextInt() sc.nextInt sc sum = sum + arr[i] sum sum + arr[i] sum arr[i] arr i String ans = (sum>=h) ? "Yes" : "No"; ans (sum>=h) ? "Yes" : "No" (sum>=h) sum h "Yes" "No" System.out.println(ans) System.out.println System.out System System.out ans String[] args args
import java.util.Arrays;
import java.util.Scanner;

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];
    int sum = 0; boolean flag = true;
    for(int i=0;i<n;i++) {
      arr[i]=sc.nextInt();
      sum = sum + arr[i];
    }
    String ans = (sum>=h) ? "Yes" : "No";
    System.out.println(ans);


    }
  }
