#include<bits/stdc++.h>
using namespace std;
int main(){
	double a[4];
	int n;
	cin>>n;
	int b[n];
	for(int i=0;i<n;i++){
		cin>>b[i];
		if(b[i]<=18&&b[i]>=0) a[0]++;
		else if(b[i]<=35&&b[i]>=19) a[1]++;
		else if(b[i]<=60&&b[i]>=36) a[2]++;
		else if(b[i]>61||b[i]==61) a[3]++;
	}
	cout<<fixed<<setprecision(2)<<a[0]/n*100;
	cout<<"%"<<endl;
	cout<<fixed<<setprecision(2)<<a[1]/n*100;
	cout<<"%"<<endl;
	cout<<fixed<<setprecision(2)<<a[2]/n*100;
	cout<<"%"<<endl;
	cout<<fixed<<setprecision(2)<<a[3]/n*100;
	cout<<"%"<<endl;
}

#include<bits/stdc++.h>
using namespace std;
int a[120];
int main()
{
	int x;
	scanf("%d",&x);
	double s1=0,s2=0,s3=0,s4=0;//double类型存放的年龄阶段人数 
	for(int i=0;i<x;++i)//输入年龄且存放 
	{
		scanf("%d",&a[i]);//输入 
		if(a[i]<=18)s1++;
		else if(a[i]<=35)s2++;
		else if(a[i]<=60)s3++;
		else if(a[i]>=61)s4++;
	}
	double f1,f2,f3,f4;
	f1=s1/x*100;
	f2=s2/x*100;
	f3=s3/x*100;
	f4=s4/x*100;
	printf("%.2lf%%\n",f1); 
	printf("%.2lf%%\n",f2);
	printf("%.2lf%%\n",f3);
	printf("%.2lf%%\n",f4);
	return 0;
 }