#include <iostream>
using namespace std;
int main()
{
float x;
cin >> x;
if (x >= 0 && x <= 25) cout << "Interval [0,25]";
else if (x > 25 && x <= 50) cout << "Interval (25,50]";
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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