#include<bits/stdc++.h> using namespace std; int main() { int a[101],n,S018=0,S1935=0,S3660=0,S61=0; cin>>n; for(int i=1;i<=n;i++) { cin>>a[i]; if(a[i]<=18) S018++; if(a[i]>=19 && a[i]<=35) S1935++; if(a[i]>=36 && a[i]<=60) S3660++; if(a[i]>=61) S61++; } printf("%.2f%%\n",S018*1.0/n*100); printf("%.2f%%\n",S1935*1.0/n*100); printf("%.2f%%\n",S3660*1.0/n*100); printf("%.2f%%\n",S61*1.0/n*100); return 0; }