#include <bits/stdc++.h>
#define maxn 300000
using namespace std;
typedef long long ll;
int n,a[maxn],h1,h2,h3,h4;
double l;
int main(){
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>a[i];
		if(a[i]<=18) h1++;
		else if(a[i]<=35) h2++;
		else if(a[i]<=60) h3++;
		else h4++;
	}
	printf("%.2lf\%\n%.2lf\%\n%.2lf\%\n%.2lf\%",h1*100.0/n,h2*100.0/n,h3*100.0/n,h4*100.0/n);
}