#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
	double a[5]={0},n,o;
	cin>>n;
	for(int i=1;i<=n;i++)
	{
		cin>>o;
		if(o<=18)        a[1]++;
		if(19<=o&&o<=35) a[2]++;
		if(36<=o&&o<=60) a[3]++;
		if(o>60)         a[4]++;
	}
	cout<<fixed<<setprecision(2)<<(a[1]/n)*100<<endl;
	cout<<fixed<<setprecision(2)<<(a[2]/n)*100<<endl;
	cout<<fixed<<setprecision(2)<<(a[3]/n)*100<<endl;
	cout<<fixed<<setprecision(2)<<(a[4]/n)*100;
 	return 0;
}