#include <bits/stdc++.h> using namespace std; int main() { double n, a, b, c, d; cin >> n; for(int i = 1; i <= n; ++ i) { int a; cin >> a; if (a < 19) a ++; else if (a < 36) b ++; else if (a < 61) c ++; else d ++; } cout << fixed << setprecision(2) << n / 100.0 * a << "%\n"; cout << fixed << setprecision(2) << n / 100.0 * b << "%\n"; cout << fixed << setprecision(2) << n / 100.0 * c << "%\n"; cout << fixed << setprecision(2) << n / 100.0 * d << "%\n"; return 0; }