#include<iostream>

#include<cstdio>
using namespace std;
int main()
{
    double  x;
    cin>>x;
    if(x>=0.0&&x<=25.0)
    cout<<"Intervalo [0,25]";
    else if(x>25.0&&x<=50.0)
    cout<<"Intervalo (25,50]";
    else if(x>50.0&&x<=75.0)
    cout<<"Intervalo (50,75]";
    else if(x>75.0&&x<=100.0)
    cout<<"Intervalo (75,100]";
    else cout<<"Fora de intervalo";
    }