#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]; } double b=0,c=0,d=0,e=0; for (int i = 0; i < n; i++) { if (a[i] <= 18) { b++; } if (a[i] >= 19 && a[i] <= 35) { c++; } if (a[i] >= 36 && a[i] <= 60) { d++; } if (a[i] >= 61) { e++; } } printf("%.2f%\n", b / n * 100.0 ); printf("%.2f%\n", c / n * 100.0 ); printf("%.2f%\n", d / n * 100.0 ); printf("%.2f%\n", e / n * 100.0 ); return 0; }