#include<bits/stdc++.h>
using namespace std;
int main()
{
    int a;
    cin>>a;
    int c=0;
    int d=0;
    int e=0;
    int f=0;
    for (int i=1;i<=a;i++)
	{
    	int b;
    	cin>>b;
	if (b>=0 and b<=18)
	{
		c++;
	}
	else if (b>=19 and b<=35)
	{
		d++;
	}
	else if (b>=36 and b<=60)
	{
		e++;
	}
	else if (b>=61)
	{
		f++;
	}
}
	cout<<fixed<<setprecision(2)<<c*100.0/a<<"%"<<endl;
	cout<<fixed<<setprecision(2)<<d*100.0/a<<"%"<<endl;
	cout<<fixed<<setprecision(2)<<e*100.0/a<<"%"<<endl;
	cout<<fixed<<setprecision(2)<<f*100.0/a<<"%"<<endl;
    return 0;
}