#include<bits/stdc++.h> using namespace std; int main (){ int n,cnt1,cnt2,cnt3,cnt4; cin>>n; int a[n]; for(int i=0;i<n;i++){ cin>>a[i]; if(a[i]>=0&&a[i]<=18) cnt1++; else if(a[i]<=35) cnt2++; else if(a[i]<=60) cnt3++; else cnt4++; } cout<<fixed<<setprecision(2)<<cnt1*1.0/n*100<<"%"<<endl; cout<<fixed<<setprecision(2)<<cnt2*1.0/n*100<<"%"<<endl; cout<<fixed<<setprecision(2)<<cnt3*1.0/n*100<<"%"<<endl; cout<<fixed<<setprecision(2)<<cnt4*1.0/n*100<<"%"; return 0; }