#include <cstdio>
#include <iostream>

using namespace std;

int main(){
    double a;
    cin >> a ;
    if(a < 0 || a >100) printf("Fora de intervalo");
    if(a >= 0 && a <= 25) printf("Intervalo [0,25]");
    if(a > 25 && a <= 50) printf("Intervalo (25,50]");
    if(a > 50 && a <= 75) printf("Intervalo (50,75]");
    if(a > 75 && a <= 100) printf("Intervalo (75,100]");



    return 0;
}