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+1];
    int total =0;
    for (int i=1; i<=N; i++) {
      A[i] = sc.nextInt();
      total += A[i];
    }
    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[] A = new int[N+1];
    int total =0;
    for (int i=1; i<=N; i++) {
      A[i] = sc.nextInt();
      total += A[i];
    }
    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[] A = new int[N+1];
    int total =0;
    for (int i=1; i<=N; i++) {
      A[i] = sc.nextInt();
      total += A[i];
    }
    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[] A = new int[N+1];
    int total =0;
    for (int i=1; i<=N; i++) {
      A[i] = sc.nextInt();
      total += A[i];
    }
    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[] A = new int[N+1]; A new int[N+1] N+1 N 1 int total =0; total 0 for (int i=1; i<=N; i++) {
      A[i] = sc.nextInt();
      total += A[i];
    } int i=1; int i=1; i 1 i<=N i N i++ i++ i {
      A[i] = sc.nextInt();
      total += A[i];
    } {
      A[i] = sc.nextInt();
      total += A[i];
    } A[i] = sc.nextInt() A[i] A i sc.nextInt() sc.nextInt sc total += A[i] total A[i] A i 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[] A = new int[N+1];
    int total =0;
    for (int i=1; i<=N; i++) {
      A[i] = sc.nextInt();
      total += A[i];
    }
    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[] A = new int[N+1];
    int total =0;
    for (int i=1; i<=N; i++) {
      A[i] = sc.nextInt();
      total += A[i];
    }
    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[] A = new int[N+1];
    int total =0;
    for (int i=1; i<=N; i++) {
      A[i] = sc.nextInt();
      total += A[i];
    }
    if (total >= H) {
      System.out.println("Yes");
    } else {
      System.out.println("No");
    }
  }
}
    