#include<bits/stdc++.h>
using namespace std;
int s[105];
int main(){
	int n,x,A,B,C,D;
	double s;
	cin>>n;
	while((n-1)!=0){
		cin>>x;
		if(x>=0&&x<=18){
			A++;
		}
		if(x>=19&&x<=35){
			B++;
		}
		if(x>=36&&x<=60){
			C++;
		}
		if(x>=61){
			D++;
		}
		x=0;
	}
      printf("%.2f%%\n",A*1.0/n*100);
      printf("%.2f%%\n",B*1.0/n*100);
      printf("%.2f%%\n",C*1.0/n*100);
      printf("%.2f%%\n",D*1.0/n*100);
	return 0;
}