#include<bits/stdc++.h>
using namespace std;
int main()
{
    int a[5],n;
    cin >> n;
    for (int i = 1;i <= n;i++){
        int c;
        cin >> c;
        if (c <= 18) a[1]++;
        else if (c >= 19 && c <= 35) a[2]++;
        else if (c >= 36 && c <= 60) a[3]++;
        else a[4]++;
    }
    printf("%.2lf\n",a[1]*100.0/n);
    printf("%.2lf\n",a[2]*100.0/n);
    printf("%.2lf\n",a[3]*100.0/n);
    printf("%.2lf\n",a[4]*100.0/n);
    return 0;
}