/* 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={{10,20},{30,40,80,78},{70,40,50}};
          for(int i=0;i<a.length;i++)
{
for(int j=0;j<a[i].length;j++)
{
System.out.print(a[i][j]);
}
System.out.println();
}
}
}

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