import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        //値を取得
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int N = sc.nextInt();
        int[] A = new int[N];   //必殺技
        for (int i = 0; i < N; ++i){
            A[i] = sc.nextInt();
        }
        
        int HP = H;  //残り体力
        
        for (int i = 0; i < N; ++i){
            HP -= A[i];
            
            if(HP <= 0){
                System.out.println("Yes");
                System.exit(0);
            }
        }

        System.out.println("No");
    }
    
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        //値を取得
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int N = sc.nextInt();
        int[] A = new int[N];   //必殺技
        for (int i = 0; i < N; ++i){
            A[i] = sc.nextInt();
        }
        
        int HP = H;  //残り体力
        
        for (int i = 0; i < N; ++i){
            HP -= A[i];
            
            if(HP <= 0){
                System.out.println("Yes");
                System.exit(0);
            }
        }

        System.out.println("No");
    }
    
} Main public static void main(String[] args) throws Exception {
        //値を取得
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int N = sc.nextInt();
        int[] A = new int[N];   //必殺技
        for (int i = 0; i < N; ++i){
            A[i] = sc.nextInt();
        }
        
        int HP = H;  //残り体力
        
        for (int i = 0; i < N; ++i){
            HP -= A[i];
            
            if(HP <= 0){
                System.out.println("Yes");
                System.exit(0);
            }
        }

        System.out.println("No");
    } main {
        //値を取得
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int N = sc.nextInt();
        int[] A = new int[N];   //必殺技
        for (int i = 0; i < N; ++i){
            A[i] = sc.nextInt();
        }
        
        int HP = H;  //残り体力
        
        for (int i = 0; i < N; ++i){
            HP -= A[i];
            
            if(HP <= 0){
                System.out.println("Yes");
                System.exit(0);
            }
        }

        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[] 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] = sc.nextInt() A[i] A i sc.nextInt() sc.nextInt sc int HP = H; HP H for (int i = 0; i < N; ++i){
            HP -= A[i];
            
            if(HP <= 0){
                System.out.println("Yes");
                System.exit(0);
            }
        } int i = 0; int i = 0; i 0 i < N i N ++i ++i i {
            HP -= A[i];
            
            if(HP <= 0){
                System.out.println("Yes");
                System.exit(0);
            }
        } {
            HP -= A[i];
            
            if(HP <= 0){
                System.out.println("Yes");
                System.exit(0);
            }
        } HP -= A[i] HP A[i] A i if(HP <= 0){
                System.out.println("Yes");
                System.exit(0);
            } HP <= 0 HP 0 {
                System.out.println("Yes");
                System.exit(0);
            } System.out.println("Yes") System.out.println System.out System System.out "Yes" System.exit(0) System.exit System 0 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) throws Exception {
        //値を取得
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int N = sc.nextInt();
        int[] A = new int[N];   //必殺技
        for (int i = 0; i < N; ++i){
            A[i] = sc.nextInt();
        }
        
        int HP = H;  //残り体力
        
        for (int i = 0; i < N; ++i){
            HP -= A[i];
            
            if(HP <= 0){
                System.out.println("Yes");
                System.exit(0);
            }
        }

        System.out.println("No");
    }
    
} public class Main {
    public static void main(String[] args) throws Exception {
        //値を取得
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int N = sc.nextInt();
        int[] A = new int[N];   //必殺技
        for (int i = 0; i < N; ++i){
            A[i] = sc.nextInt();
        }
        
        int HP = H;  //残り体力
        
        for (int i = 0; i < N; ++i){
            HP -= A[i];
            
            if(HP <= 0){
                System.out.println("Yes");
                System.exit(0);
            }
        }

        System.out.println("No");
    }
    
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        //値を取得
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int N = sc.nextInt();
        int[] A = new int[N];   //必殺技
        for (int i = 0; i < N; ++i){
            A[i] = sc.nextInt();
        }
        
        int HP = H;  //残り体力
        
        for (int i = 0; i < N; ++i){
            HP -= A[i];
            
            if(HP <= 0){
                System.out.println("Yes");
                System.exit(0);
            }
        }

        System.out.println("No");
    }
    
}