#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
	int n,i,a[10001];
	double k,b=0,c=0,d=0,e=0;
	cin>>n;
	k=100/n;
	for(i=1;i<=n;i++)
	{
		cin>>a[i];
		if(a[i]>=0&&a[i]<=18)b+=k;
		if(a[i]>=19&&a[i]<=35)c+=k;
		if(a[i]>=35&&a[i]<=60)d+=k;
		if(a[i]>=61)e+=k;
	}
	printf("%.2lf",b);
	cout<<"%"<<endl;
	printf("%.2lf",c);
	cout<<"%"<<endl;
	printf("%.2lf",d);
	cout<<"%"<<endl;
	printf("%.2lf",e);
	cout<<"%"<<endl;
	return 0;
}