#include<bits/stdc++.h>
using namespace std;
int n;
int a,b,c,d;
int main(){
cin>>n;
for(int i=0;i<n;i++){
int x;
cin>>x;
if(x>60)d++;
else if(x>35)c++;
else if(x>18)b++;
else a++;
}
printf("%.2lf%%\n%.2lf%%\n%.2lf%%\n%.2lf%%",
a100.0/n,b100.0/n,c100.0/n,d100.0/n);
return 0;
}
