#include <iostream>
using namespace std;
int main(){
int num[100],n,sum=0;
float age[4] = {0.0,0.0,0.0,0.0};
cin >> n;
for(int i=0;i<n;i++){
cin >> num[i];
sum = sum + 1;
if(num[i]<=18){
age[0] = age[0] + 1;
}else if(num[i]<=35){
age[1] = age[1] + 1;
}else if(num[i]<=60){
age[2] = age[2] + 1;
}else{
age[3] = age[3] + 1;
}
}
for(int i=0;i<4;i++)
printf("%.2f%%\n",age[i]*100.00f/sum);
return 0;
}