#include<stdio.h>
int main()
{
	int n;
	double q=0,w=0,r=0,y=0;
	scanf("%d",&n);
	int a[n],i,m=0,t=0,k=0,j=0;
	for(i=0;i<n;i++)
	{
		scanf("%d",&a[i]);
		if(a[i]<=18)
		m++;
		if(a[i]>=19&&a[i]<=35)
		k++;
		if(a[i]>=36&&a[i]<=60)
		j++;
		if(a[i]>=61)
		t++;
		
	}
	q=m*100/n;
	w=k*100/n;
	r=j*100/n;
	y=t*100/n;
	printf("%.2f%\n",q);
	printf("%.2f%\n",w);
	printf("%.2f%\n",r);
	printf("%.2f%\n",y);
	return 0;
}