/* 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
	{
		int size = 3;
		char[][] tab = new char [size][size];
		tab = new char [size][size];
        //for(int i=0;i<size;i++)
        //    for(int j=0;j<size;j++)
        //    {
        //    	tab[i][j]='0';
        //    }   
 
		Scanner keyboard = new Scanner(System.in);
		int a = -1;
		int b = -1;
		while(a < 0 || a > 2 || b < 0 || b > 2)
		{
			System.out.println("Podaj dwie wspolrzedne");
        	a = keyboard.nextInt();
        	b = keyboard.nextInt();
		}
        tab[a][b] = '&';
		System.out.println("Znak w " + a + "," + b + " to: " + tab[a][b]);
 
	}
}

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1 2002
324 0
1 2