#include

#include

using namespace std;

int main() {

int n;

cin >> n;

int count1 = 0;  

int count2 = 0; 

int count3 = 0;  

int count4 = 0;  

for (int i = 0; i < n; i++) {

    int age;
    
    cin >> age;
    
    if (age >= 0 && age <= 18) {
    
        count1++;
        
    } else if (age >= 19 && age <= 35) {
    
        count2++;
        
    } else if (age >= 36 && age <= 60) {
    
        count3++;
        
    } else {
    
        count4++;
        
    }
    
}


cout << fixed << setprecision(2);

cout << count1 * 100.0 / n << "%" << endl;

cout << count2 * 100.0 / n << "%" << endl;

cout << count3 * 100.0 / n << "%" << endl;

cout << count4 * 100.0 / n << "%" << endl;


return 0;

}