#include<bits/stdc++.h>
using namespace std;
long long i,j,n,m;
double a[10];
int main(){
	cin>>n;
	for(i=1;i<=n;i++){
		cin>>m;
		if(m>=0&&m<=18)a[1]++;
		if(m>=19&&m<=35)a[2]++;
		if(m>=36&&m<=60)a[3]++;
		if(m>=61)a[4]++;
	}
	printf("%.2f%%\n%.2f%%\n%.2f%%\n%.2f%%%\n",a[1]*100.0/n,a[2]*100.0/n,a[3]*100.0/n,a[4]*100.0/n);
    return 0;
}