#include <iostream>
 
using namespace std;
int main()
{
  double x;
  cin>>x;
 
  if(x>0 && x<25)
    cout<<"Interval (0,25]";
    else if(x==0 || x==25)
        cout<<"Interval [0,25]";
  else if(x>25 && x<50)
    cout<<"Interval [25,50]";
    else if(x==25 || x==50)
        cout<<"Interval [25,50]";
  else if(x>50 && x<75)
    cout<<"Interval (50,75]";
    else if(x==50 || x==75)
    cout<<"Interval [50,75]";
  else if(x>=75 && x<=100)
    cout<<"Interval (75,100]";
  else
    cout<<"Out of Intervals";
    return 0;
}
 

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