import java.util.Scanner;
public class Main {
public static void main
(String[] args
) { Scanner scanner
= new Scanner
(System.
in);
double X = scanner.nextDouble();
scanner.close();
if (X >= 0 && X <= 25) {
System.
out.
println("Interval [0,25]"); } else if (X > 25 && X <= 50) {
System.
out.
println("Interval (25,50]"); } else if (X > 50 && X <= 75) {
System.
out.
println("Interval (50,75]"); } else if (X > 75 && X <= 100) {
System.
out.
println("Interval (75,100]"); } else {
System.
out.
println("Out of Intervals"); }
}
}
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