/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void youtube() {
		int hoursOne = 20;
		int hoursTwo = 30;
		double result;
 
		result = (hoursOne + hoursTwo) / 2;
 
		// очевидно другой ответ
		System.out.println("трубы в бассейне: " + result);
	}
}

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