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