/* 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
	{
		Map<Integer, IntegerArray> mp = new HashMap<Integer, IntegerArray>();
		mp.put(1, new IntegerArray(1, 2));
		mp.put(2, new IntegerArray(2, 3));
		mp.put(3, new IntegerArray(3, 4));
 
		System.out.println(mp);
	}
}
 
class IntegerArray {
	int[] array;
 
	IntegerArray(int... array){
		this.array = array;
	}
 
	@Override
	public String toString(){
		return Arrays.toString(array);
	}
}

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