/* 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. */
public class Ideone
{
        public static void main(String[] args)
        {
                int[] a = {2,3,4};
                int[] b = {0,1};
                int[] c = {1,5,2,7};
                int[][] arrays = {a,b,c};
 
                for(int i = 0; i < arrays.length;i++)
                {
                        for(int j = 0; j < arrays[0].length;j++)
                        {
                                System.out.print(arrays[i][j]+",");
                        }
                        System.out.println();
                }
        }
}

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