#include <bits/stdc++.h>
using namespace std;
int n,m;
int a[5]; 
int main(){
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>m;
		if(m<=18) 		 a[1]++;
		if(19<=m&&m<=35) a[2]++;
		if(36<=m&&m<=60) a[3]++;
		if(m>60) 		 a[4]++;
	}
	printf("%.21f%%\n",double(a[1])/n*100);
	printf("%.21f%%\n",double(a[2])/n*100);
	printf("%.21f%%\n",double(a[3])/n*100);
	printf("%.21f%%\n",double(a[4])/n*100);
	return 0;
}