#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int a[n]; for (int i = 0; i < n; i++) { cin >> a[i]; } int c = 0; for (int i = 0; i < n; i++) { if (a[i] <= 18) { c++; } } printf("%.2f", c * 100.0 / n); cout << "%" << endl; c = 0; for (int i = 0; i < n; i++) { if (a[i] >= 19 && a[i] <= 35) { c++; } } printf("%.2f", c * 100.0 / n); cout << "%" << endl; c = 0; for (int i = 0; i < n; i++) { if (a[i] >= 36 && 60 >= a[i]) { c++; } } printf("%.2f", c * 100.0 / n); cout << "%" << endl; c = 0; for (int i = 0; i < n; i++) { if (a[i] >= 61 ) { c++; } } printf("%.2f", c * 100.0 / n); cout << "%" << endl; return 0; }