#include <bits/stdc++.h>

using namespace std;

int main() { int n; int a[105];

int s1 = 0, s2 = 0, s3 = 0, s4 = 0;

cin >> n;

for (int i = 0; i < n; i++) {
    cin >> a[i];
}


for (int j = 0; j < n; j++) {
    if (a[j] >= 0 && a[j] <= 18) {
        s1++;
    } else if (a[j] >= 19 && a[j] <= 35) {
        s2++;
    } else if (a[j] >= 36 && a[j] <= 60) {
        s3++;
    } else if (a[j] >= 61) {
        s4++;
    }
}


cout << fixed << setprecision(2);

cout << 1.0 * s1 / n * 100 << "%" << endl;
cout << 1.0 * s2 / n * 100 << "%" << endl;
cout << 1.0 * s3 / n * 100 << "%" << endl;
cout << 1.0 * s4 / n * 100 << "%" << endl;

return 0;

}