/* 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 main (String[] args) throws java.lang.Exception
	{
		https://2...content-available-to-author-only...h.hk/pr/res/1281179.html
		for(int i = 0; i < 5; i++) {
			for(int j = 0; j < 3; j++) {
				System.out.println(i + " " + j);
				if (i + j == 6) {
					break https;
				}
			}
		}
	}
}

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