#include <stdio.h>


int main(void){

        int sum = 0;
        int count = 0;

        double m;
        int n;
        scanf("%d%lf",&n,&m);

        double s[n];
        double a[n];
        //char s[n],a[n];

        for(int i=0;i<n;i++){
                scanf("%lf",&s[i]);
                sum += s[i];
        }   

        for(int i=0;i<n;i++){
                a[i] = s[i]/sum;
                printf("%f",a[i]);
                if(a[i] >= 1.0/4/m){
                        count++;
                }   
        }   

printf("%d",count);

        if(count >= m){ 
                printf("Yes\n");
        }else{
                printf("No\n");
        }   
return 0;
}

