#include<bits/stdc++.h> using namespace std; int main() { int n; double b = 0, c = 0, d = 0, e = 0, a[1000]; cin >> n; for (int i = 0; i < n; i++) { cin >> a[i]; } for (int i = 0; i < n; i++) { if (a[i] <= 18) { b++; } else if (a[i] >= 19 && a[i] <= 35) { c++; } else if (a[i] >= 36 && a[i] <= 60) { d++; } else { e++; } } cout << fixed << setprecision(2) << b / n * 100.0 << '%' << endl; cout << fixed << setprecision(2) << c / n * 100.0 << '%' << endl; cout << fixed << setprecision(2) << d / n * 100.0 << '%' << endl; cout << fixed << setprecision(2) << e / n * 100.0 << '%' << endl; return 0; }