#include<bits/stdc++.h>
using namespace std;
int main(){
    double a;
    cin>>a;
    if(a<0||a>100){
        cout<<"Fora de intervalo";
    }else if(a>=0&&a<=25){
        cout<<"Intervalo [0,25]";
    }else if(a>25&&a<=50){
        cout<<"Intervalo (25,50]";
    }else if(a>50&&a<=75){
        cout<<"Intervalo (50,75]";
    }else if(a>75&&a<=100){
        cout<<"Intervalo (75,100]";
    }
}