/* 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[][][] a={{{30,40},{60,70,80,20},{40,60}}};
     //   System.out.println(a [0][0].length);
    for(int i=0;i<a.length;i++)
     {
    for(int j=0;j<a[i].length;j++)
    {
    for(int k=0;k<a[i][j].length;k++)  
    {
System.out.print(a[i][j][k]);
}System.out.println();
}
}
 
 
}
}

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