#include<bits/stdc++.h> using namespace std; int main() { int n,a[101],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]<=35 && a[i]>=19) s1935++; if(a[i]<=60 && a[i]>=36) 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; }