#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
#include<cstdio>
using namespace std;
int a[90000];
double q, qq, qqq, w,s,n;
double Q, M, L, O;
int main() {
    int i, j;

    cin >>n;
    for (i = 0; i < n; i++)
    {
        cin >> s;
        a[i] = s;
        if (0 < a[i] &&a[i]< 18)
        q++;
        if (19 < a[i]&&a[i] < 35)
        qq++;
        if (36 < a[i] && a[i] < 60)
            qqq++;
        if(a[i] >= 61)
             w++;
    }
    Q = (q/n)*100;
    M = (qq / n)*100;
    L = (qqq / n)*100;
    O = (w / n)*100;
    printf("%.2lf%%\n%.2lf%%\n%.2lf%%\n%.2lf%%\n", Q, M, L, O);
        return 0;
}