#include <iostream>
#include <iomanip>
#include <cmath>
#include <algorithm>
#include <numeric>
#include <string>
#include <vector>
#include <deque>
#include <queue>
#define ll long long
const int N = 10e5 + 5 ;
const double pi = 3.14;
using namespace std;
int main()
{
float x ;
cin >> x ;
if(x >= 0 && x <= 25)
cout << "Interval [0,25]" << '\n';
else if(x > 25 && x <= 50)
cout << "Interval (25,50]" << '\n';
else if(x > 50 && x <= 75)
cout <<"Interval (50,75]" << '\n';
else if(x > 75 && x <= 100)
cout << "Interval (75,100]" << '\n';
else
cout << "Out of Intervals" << '\n';
return 0;
}
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