#include<bits/stdc++.h> using namespace std; int main(){ int n; float cnt1=0,cnt2=0,cnt3=0,cnt4=0; 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]>=19&&a[i]<=35){ cnt2++; }else if(a[i]>=36&&a[i]<=60){ cnt3++; }else{ cnt4++; } } cout<<fixed<<setprecision(2)<<cnt1/n*100.0<<"%"<<endl; cout<<fixed<<setprecision(2)<<cnt2/n*100.0<<"%"<<endl; cout<<fixed<<setprecision(2)<<cnt3/n*100.0<<"%"<<endl; cout<<fixed<<setprecision(2)<<cnt4/n*100.0<<"%"; return 0; }