tj

#include<iostream>
using namespace std;
int main(){
int n;
double a=0,b=0,c=0,d=0;
cin>>n;
int k[n];
for(int i=1;i<=n;i++){
int m;
cin>>m;
k[i]=m;
if(m>=0&&m<=18){
a++;
}else if(m>=19&&m<=35){
b++;
}else if(m>=36&&m<=60){
c++;
}else{
d++;
}
}
printf("%.2f",a/n100);
cout<<"%"<<endl;
printf("%.2f",b/n100);
cout<<"%"<<endl;
printf("%.2f",c/n100);
cout<<"%"<<endl;
printf("%.2f",d/n100);
cout<<"%"<<endl;
return 0;
}