#include<bits/stdc++.h>
using namespace std;
int s1,s2,s3,s4,a[100],n;
double l1,l2,l3,l4; 
int main(){
	cin>>n;
	for(int i=1;i<=n;i++) cin>>a[i];
	for(int i=1;i<=n;i++){
		if(a[i]>=0&&a[i]<=18) s1++;
		if(a[i]>=19&&a[i]<=35) s2++;
		if(a[i]>=36&&a[i]<=60) s3++;
		if(a[i]>=61) s4++;
	}
	l1=(s1/n)*100.0;
	l2=(s2/n)*100.0;
	l3=(s3/n)*100.0;
	l4=(s4/n)*100.0;
	printf("%.2lf%%\n%.2lf%%\n%.2lf%%\n%.2lf%%\n",l1,l2,l3,l4);
	return 0;
}