#include<iostream>
using namespace std;
int main(){
double a;
cin>>a;
if(a<0||a>100)
cout<<"Fora de intervalo";
else{
cout<<"Intervalo ";
if(a>75)
cout<<"(75,100]";
else if(a>50)
cout<<"(50,75]";
else if(a>25)
cout<<"(25,50]";
else
cout<<"[0,25]";
}
return 0;
}