#include<bits/stdc++.h> using namespace std; int main(){ int n,d=0,b=0,c=0,t=0; cin>>n; int a[n]; for(int i=0;i<n;i++){ cin>>a[i]; } for(int i=0;i<n;i++){ if(0<=a[i] and a[i]<19){ d++; } if(18<a[i] and a[i]<36){ b++; } if(35<a[i] and a[i]<61){ c++; } if(61<=a[i]){ t++; } } printf("%.2lf%%\n",d*1.0/n*100); printf("%.2lf%%\n",b*1.0/n*100); printf("%.2lf%%\n",c*1.0/n*100); printf("%.2lf%%\n",t*1.0/n*100); return 0; }