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

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

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