import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int n=sc.nextInt(),m=sc.nextInt(),sum=0;
		int[] a=new int[n];
		for(int i=0;i<n;i++) {
			a[i]=sc.nextInt();
			sum+=a[i];
		}
		int count=0;
		for(int i=0;i<n;i++) {
			if(sum%(4*m)!=0&&sum/(4*m)<a[i])count++;
			else if(sum%(4*m)==0&&sum/(4*m)<=a[i])count++;
		}
		System.out.println(count>=m?"Yes":"No");
		sc.close();
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int n=sc.nextInt(),m=sc.nextInt(),sum=0;
		int[] a=new int[n];
		for(int i=0;i<n;i++) {
			a[i]=sc.nextInt();
			sum+=a[i];
		}
		int count=0;
		for(int i=0;i<n;i++) {
			if(sum%(4*m)!=0&&sum/(4*m)<a[i])count++;
			else if(sum%(4*m)==0&&sum/(4*m)<=a[i])count++;
		}
		System.out.println(count>=m?"Yes":"No");
		sc.close();
	}
} Main public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int n=sc.nextInt(),m=sc.nextInt(),sum=0;
		int[] a=new int[n];
		for(int i=0;i<n;i++) {
			a[i]=sc.nextInt();
			sum+=a[i];
		}
		int count=0;
		for(int i=0;i<n;i++) {
			if(sum%(4*m)!=0&&sum/(4*m)<a[i])count++;
			else if(sum%(4*m)==0&&sum/(4*m)<=a[i])count++;
		}
		System.out.println(count>=m?"Yes":"No");
		sc.close();
	} main {
		Scanner sc=new Scanner(System.in);
		int n=sc.nextInt(),m=sc.nextInt(),sum=0;
		int[] a=new int[n];
		for(int i=0;i<n;i++) {
			a[i]=sc.nextInt();
			sum+=a[i];
		}
		int count=0;
		for(int i=0;i<n;i++) {
			if(sum%(4*m)!=0&&sum/(4*m)<a[i])count++;
			else if(sum%(4*m)==0&&sum/(4*m)<=a[i])count++;
		}
		System.out.println(count>=m?"Yes":"No");
		sc.close();
	} Scanner sc=new Scanner(System.in); sc new Scanner(System.in) int n=sc.nextInt() n sc.nextInt() sc.nextInt sc m=sc.nextInt() m sc.nextInt() sc.nextInt sc sum=0; sum 0 int[] a=new int[n]; a new int[n] n for(int i=0;i<n;i++) {
			a[i]=sc.nextInt();
			sum+=a[i];
		} int i=0; int i=0; i 0 i<n i n i++ i++ i {
			a[i]=sc.nextInt();
			sum+=a[i];
		} {
			a[i]=sc.nextInt();
			sum+=a[i];
		} a[i]=sc.nextInt() a[i] a i sc.nextInt() sc.nextInt sc sum+=a[i] sum a[i] a i int count=0; count 0 for(int i=0;i<n;i++) {
			if(sum%(4*m)!=0&&sum/(4*m)<a[i])count++;
			else if(sum%(4*m)==0&&sum/(4*m)<=a[i])count++;
		} int i=0; int i=0; i 0 i<n i n i++ i++ i {
			if(sum%(4*m)!=0&&sum/(4*m)<a[i])count++;
			else if(sum%(4*m)==0&&sum/(4*m)<=a[i])count++;
		} {
			if(sum%(4*m)!=0&&sum/(4*m)<a[i])count++;
			else if(sum%(4*m)==0&&sum/(4*m)<=a[i])count++;
		} if(sum%(4*m)!=0&&sum/(4*m)<a[i])count++;
			else if(sum%(4*m)==0&&sum/(4*m)<=a[i])count++; sum%(4*m)!=0&&sum/(4*m)<a[i] sum%(4*m)!=0 sum%(4*m) sum (4*m) 4 m 0 sum/(4*m)<a[i] sum/(4*m) sum (4*m) 4 m a[i] a i count++ count if(sum%(4*m)==0&&sum/(4*m)<=a[i])count++; sum%(4*m)==0&&sum/(4*m)<=a[i] sum%(4*m)==0 sum%(4*m) sum (4*m) 4 m 0 sum/(4*m)<=a[i] sum/(4*m) sum (4*m) 4 m a[i] a i count++ count System.out.println(count>=m?"Yes":"No") System.out.println System.out System System.out count>=m?"Yes":"No" count>=m count m "Yes" "No" sc.close() sc.close sc String[] args args public class Main {
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int n=sc.nextInt(),m=sc.nextInt(),sum=0;
		int[] a=new int[n];
		for(int i=0;i<n;i++) {
			a[i]=sc.nextInt();
			sum+=a[i];
		}
		int count=0;
		for(int i=0;i<n;i++) {
			if(sum%(4*m)!=0&&sum/(4*m)<a[i])count++;
			else if(sum%(4*m)==0&&sum/(4*m)<=a[i])count++;
		}
		System.out.println(count>=m?"Yes":"No");
		sc.close();
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int n=sc.nextInt(),m=sc.nextInt(),sum=0;
		int[] a=new int[n];
		for(int i=0;i<n;i++) {
			a[i]=sc.nextInt();
			sum+=a[i];
		}
		int count=0;
		for(int i=0;i<n;i++) {
			if(sum%(4*m)!=0&&sum/(4*m)<a[i])count++;
			else if(sum%(4*m)==0&&sum/(4*m)<=a[i])count++;
		}
		System.out.println(count>=m?"Yes":"No");
		sc.close();
	}
} Main
import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int n=sc.nextInt(),m=sc.nextInt(),sum=0;
		int[] a=new int[n];
		for(int i=0;i<n;i++) {
			a[i]=sc.nextInt();
			sum+=a[i];
		}
		int count=0;
		for(int i=0;i<n;i++) {
			if(sum%(4*m)!=0&&sum/(4*m)<a[i])count++;
			else if(sum%(4*m)==0&&sum/(4*m)<=a[i])count++;
		}
		System.out.println(count>=m?"Yes":"No");
		sc.close();
	}
}
