#include <iostream> #include <iomanip> using namespace std; int main() { int n; cin >> n; int ages[n]; for (int i = 0; i < n; ++i) { cin >> ages[i]; } int count_0_18 = 0, count_19_35 = 0, count_36_60 = 0, count_61_above = 0; for (int i = 0; i < n; ++i) { if (ages[i] >= 0 && ages[i] <= 18) { count_0_18++; } else if (ages[i] >= 19 && ages[i] <= 35) { count_19_35++; } else if (ages[i] >= 36 && ages[i] <= 60) { count_36_60++; } else if (ages[i] >= 61) { count_61_above++; } } cout << fixed << setprecision(2); cout << (count_0_18 * 100.0 / n) << "%" << endl; cout << (count_19_35 * 100.0 / n) << "%" << endl; cout << (count_36_60 * 100.0 / n) << "%" << endl; cout << (count_61_above * 100.0 / n) << "%" << endl; return 0; }