import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt();
    int M = sc.nextInt();
    int[] A = new int[N];
    int check =0, total =0;
    for (int i=0; i<N; i++) {
      A[i] = sc.nextInt();
      total += A[i];
    }
    for (int i=0; i<N; i++) {
      if (total % (4 * M) == 0) {
        if (A[i] >= total / (4 * M)) {
          check++;
        }
      } else {
        if (A[i] > total / (4 * M)) {
          check++;
        }
      }
    }
    if (check >= M) {
      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 N = sc.nextInt();
    int M = sc.nextInt();
    int[] A = new int[N];
    int check =0, total =0;
    for (int i=0; i<N; i++) {
      A[i] = sc.nextInt();
      total += A[i];
    }
    for (int i=0; i<N; i++) {
      if (total % (4 * M) == 0) {
        if (A[i] >= total / (4 * M)) {
          check++;
        }
      } else {
        if (A[i] > total / (4 * M)) {
          check++;
        }
      }
    }
    if (check >= M) {
      System.out.println("Yes");
    } else {
      System.out.println("No");
    }
  }
} Main public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt();
    int M = sc.nextInt();
    int[] A = new int[N];
    int check =0, total =0;
    for (int i=0; i<N; i++) {
      A[i] = sc.nextInt();
      total += A[i];
    }
    for (int i=0; i<N; i++) {
      if (total % (4 * M) == 0) {
        if (A[i] >= total / (4 * M)) {
          check++;
        }
      } else {
        if (A[i] > total / (4 * M)) {
          check++;
        }
      }
    }
    if (check >= M) {
      System.out.println("Yes");
    } else {
      System.out.println("No");
    }
  } main {
    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt();
    int M = sc.nextInt();
    int[] A = new int[N];
    int check =0, total =0;
    for (int i=0; i<N; i++) {
      A[i] = sc.nextInt();
      total += A[i];
    }
    for (int i=0; i<N; i++) {
      if (total % (4 * M) == 0) {
        if (A[i] >= total / (4 * M)) {
          check++;
        }
      } else {
        if (A[i] > total / (4 * M)) {
          check++;
        }
      }
    }
    if (check >= M) {
      System.out.println("Yes");
    } else {
      System.out.println("No");
    }
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc int M = sc.nextInt(); M sc.nextInt() sc.nextInt sc int[] A = new int[N]; A new int[N] N int check =0 check 0 total =0; total 0 for (int i=0; i<N; i++) {
      A[i] = sc.nextInt();
      total += A[i];
    } int i=0; int i=0; i 0 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 for (int i=0; i<N; i++) {
      if (total % (4 * M) == 0) {
        if (A[i] >= total / (4 * M)) {
          check++;
        }
      } else {
        if (A[i] > total / (4 * M)) {
          check++;
        }
      }
    } int i=0; int i=0; i 0 i<N i N i++ i++ i {
      if (total % (4 * M) == 0) {
        if (A[i] >= total / (4 * M)) {
          check++;
        }
      } else {
        if (A[i] > total / (4 * M)) {
          check++;
        }
      }
    } {
      if (total % (4 * M) == 0) {
        if (A[i] >= total / (4 * M)) {
          check++;
        }
      } else {
        if (A[i] > total / (4 * M)) {
          check++;
        }
      }
    } if (total % (4 * M) == 0) {
        if (A[i] >= total / (4 * M)) {
          check++;
        }
      } else {
        if (A[i] > total / (4 * M)) {
          check++;
        }
      } total % (4 * M) == 0 total % (4 * M) total (4 * M) 4 M 0 {
        if (A[i] >= total / (4 * M)) {
          check++;
        }
      } if (A[i] >= total / (4 * M)) {
          check++;
        } A[i] >= total / (4 * M) A[i] A i total / (4 * M) total (4 * M) 4 M {
          check++;
        } check++ check {
        if (A[i] > total / (4 * M)) {
          check++;
        }
      } if (A[i] > total / (4 * M)) {
          check++;
        } A[i] > total / (4 * M) A[i] A i total / (4 * M) total (4 * M) 4 M {
          check++;
        } check++ check if (check >= M) {
      System.out.println("Yes");
    } else {
      System.out.println("No");
    } check >= M check M {
      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 N = sc.nextInt();
    int M = sc.nextInt();
    int[] A = new int[N];
    int check =0, total =0;
    for (int i=0; i<N; i++) {
      A[i] = sc.nextInt();
      total += A[i];
    }
    for (int i=0; i<N; i++) {
      if (total % (4 * M) == 0) {
        if (A[i] >= total / (4 * M)) {
          check++;
        }
      } else {
        if (A[i] > total / (4 * M)) {
          check++;
        }
      }
    }
    if (check >= M) {
      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 N = sc.nextInt();
    int M = sc.nextInt();
    int[] A = new int[N];
    int check =0, total =0;
    for (int i=0; i<N; i++) {
      A[i] = sc.nextInt();
      total += A[i];
    }
    for (int i=0; i<N; i++) {
      if (total % (4 * M) == 0) {
        if (A[i] >= total / (4 * M)) {
          check++;
        }
      } else {
        if (A[i] > total / (4 * M)) {
          check++;
        }
      }
    }
    if (check >= M) {
      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 N = sc.nextInt();
    int M = sc.nextInt();
    int[] A = new int[N];
    int check =0, total =0;
    for (int i=0; i<N; i++) {
      A[i] = sc.nextInt();
      total += A[i];
    }
    for (int i=0; i<N; i++) {
      if (total % (4 * M) == 0) {
        if (A[i] >= total / (4 * M)) {
          check++;
        }
      } else {
        if (A[i] > total / (4 * M)) {
          check++;
        }
      }
    }
    if (check >= M) {
      System.out.println("Yes");
    } else {
      System.out.println("No");
    }
  }
}