#include <bits/stdc++.h>
using namespace std;

int main() {
	double  n, a[1000], ans1 = 0, ans2 = 0, ans3 = 0, ans4 = 0;
	cin >> n;
	for (int i = 0; i < n; i++)
		cin >> a[i];
	for (int i = 0; i < n; i++) {
		if (a[i] >= 0 && a[i] <= 18)
			ans1++;
		if (a[i] >= 18 && a[i] <= 35)
			ans2++;
		if (a[i] >= 36 && a[i] <= 60)
			ans3++;
		if (a[i] >= 61)
			ans4++;
	}
	printf("%.2lf", ans1 / n * 100);
	cout << '%' << endl;
	printf("%.2lf", ans2 / n * 100);
	cout << '%' <<  endl;
	printf("%.2lf", ans3 / n * 100);
	cout << '%' <<  endl;
	printf("%.2lf", ans4 / n * 100);
	cout << '%' <<  endl;
	return 0;
}