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[] A = new int[N];
   for(int i=0;i<N;i++) A[i] = sc.nextInt();
   int sum = 0;
   boolean yes = false;
   for(int i=0;i<N;i++)
   {
     sum+=A[i];
     if(sum>=H)
     {
       yes = true;
       break;
     }
   }
   String ans = "No";
   if(yes) ans = "Yes";
   System.out.println(ans);
 }
} 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[] A = new int[N];
   for(int i=0;i<N;i++) A[i] = sc.nextInt();
   int sum = 0;
   boolean yes = false;
   for(int i=0;i<N;i++)
   {
     sum+=A[i];
     if(sum>=H)
     {
       yes = true;
       break;
     }
   }
   String ans = "No";
   if(yes) 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 = new int[N];
   for(int i=0;i<N;i++) A[i] = sc.nextInt();
   int sum = 0;
   boolean yes = false;
   for(int i=0;i<N;i++)
   {
     sum+=A[i];
     if(sum>=H)
     {
       yes = true;
       break;
     }
   }
   String ans = "No";
   if(yes) ans = "Yes";
   System.out.println(ans);
 } main {
   Scanner sc = new Scanner(System.in);
   int H = sc.nextInt();
   int N = sc.nextInt();
   int[] A = new int[N];
   for(int i=0;i<N;i++) A[i] = sc.nextInt();
   int sum = 0;
   boolean yes = false;
   for(int i=0;i<N;i++)
   {
     sum+=A[i];
     if(sum>=H)
     {
       yes = true;
       break;
     }
   }
   String ans = "No";
   if(yes) 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 = new int[N]; A new int[N] N for(int i=0;i<N;i++) A[i] = sc.nextInt(); int i=0; int i=0; i 0 i<N i N i++ i++ i A[i] = sc.nextInt(); A[i] = sc.nextInt() A[i] A i sc.nextInt() sc.nextInt sc int sum = 0; sum 0 boolean yes = false; yes false for(int i=0;i<N;i++)
   {
     sum+=A[i];
     if(sum>=H)
     {
       yes = true;
       break;
     }
   } int i=0; int i=0; i 0 i<N i N i++ i++ i {
     sum+=A[i];
     if(sum>=H)
     {
       yes = true;
       break;
     }
   } {
     sum+=A[i];
     if(sum>=H)
     {
       yes = true;
       break;
     }
   } sum+=A[i] sum A[i] A i if(sum>=H)
     {
       yes = true;
       break;
     } sum>=H sum H {
       yes = true;
       break;
     } yes = true yes true break; String ans = "No"; ans "No" if(yes) ans = "Yes"; yes 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 = new int[N];
   for(int i=0;i<N;i++) A[i] = sc.nextInt();
   int sum = 0;
   boolean yes = false;
   for(int i=0;i<N;i++)
   {
     sum+=A[i];
     if(sum>=H)
     {
       yes = true;
       break;
     }
   }
   String ans = "No";
   if(yes) 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 = new int[N];
   for(int i=0;i<N;i++) A[i] = sc.nextInt();
   int sum = 0;
   boolean yes = false;
   for(int i=0;i<N;i++)
   {
     sum+=A[i];
     if(sum>=H)
     {
       yes = true;
       break;
     }
   }
   String ans = "No";
   if(yes) ans = "Yes";
   System.out.println(ans);
 }
} 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[] A = new int[N];
   for(int i=0;i<N;i++) A[i] = sc.nextInt();
   int sum = 0;
   boolean yes = false;
   for(int i=0;i<N;i++)
   {
     sum+=A[i];
     if(sum>=H)
     {
       yes = true;
       break;
     }
   }
   String ans = "No";
   if(yes) ans = "Yes";
   System.out.println(ans);
 }
}