import java.io.*;
import java.util.*;
import java.math.BigInteger;


public class PythagoreanTriple
{
	public static void main(String[] args) 
	{
		Scanner sc=new Scanner(System.in);	
		BigInteger b=sc.nextBigInteger();

if(!b.mod(new BigInteger("2")).equals(BigInteger.ZERO))
		{
			//if odd
			BigInteger c=b.pow(2);
			c=c.subtract(new BigInteger("1"));
			c=c.divide(new BigInteger("2"));
			BigInteger a=c.add(new BigInteger("1"));
			System.out.println( b +" "+a +" "+c);
		}
		else
		{
			///if even
		BigInteger c=b.divide(new BigInteger("2"));
			c=c.pow(2); 
			c=c.subtract(new BigInteger("1"));
			
		BigInteger a=c.add(new BigInteger("2"));
			System.out.println( b +" "+a +" "+c);
		}
	}
}