#include<stdio.h>

int main(){
    int i;
    int n, m;
    int o, sum = 0, count;
    scanf("%d %d",&n,&m);
    for(i = 0; i < n; i++){
        scanf("%d", &o);
        sum += o;
        if(o >= 1/(4*o)){
            count++;
        }
    }
    if(m > count){
        printf("Yes");
    }
    else{ printf("no"); }
    return 0;
}