/* 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 foo(int i) {
		i += 2;
		System.out.println("foo: " + i);
	}
	
	public static void main (String[] args) throws java.lang.Exception
	{
		int j = 10;
		System.out.println("main1: " + j);
		foo(j);
		System.out.println("main1: " + j);
	}
}