import java.util.Scanner;
public class Rational 
{
	private int v1;
	private int v2;
	public Rational(int v1, int v2)//201621123045 ӱ
	{
		this.v1 = v1;
		this.v2 = v2;
	}
	public int getV1()//201621123045 ӱ
	{
		return v1;
	}
	public void setV1(int v1)//201621123045 ӱ
	{
		this.v1 = v1;
	}
	public int getV2()//201621123045 ӱ
	{
		return v2;
	}
	public void setV2(int v2)//201621123045 ӱ
	{
		this.v2 = v2;
	}
	public Rational()
	{
	}
	
	public int Gcd(int m,int n)//201621123045 ӱ
	{
		int t;
		while(m%n!=0)
		{
			t=n;
			n=m%n;
			m=t;
		}
		return n;
	}

	public static void Add(Rational T1,Rational T2,Rational T3)//201621123045 ӱ
	{
		int t;
		T3.v2 = T1.v2*T2.v2;
		T3.v1 = T1.v1*T2.v2+T2.v1*T1.v2;
		t=T3.Gcd(T3.v1, T3.v2);
		T3.v2/=t;
		T3.v1/=t;
	}
	
	public static void Multiply(Rational T1,Rational T2,Rational T3)//201621123045 ӱ
	{	
		T3.v2 = T1.v2*T2.v2;
		T3.v1 = T1.v1*T2.v1;
		int t = T3.Gcd(T3.v1, T3.v2);
		T3.v2/=t;
		T3.v1/=t;
	}
	
	public static void main(String[] args)//201621123045 ӱ
	{
		Scanner in = new Scanner(System.in);
		Rational T3 = new Rational();
		Rational T1 = new Rational(in.nextInt(),in.nextInt());
		Rational T2 = new Rational(in.nextInt(),in.nextInt());
		
		Add(T1,T2,T3);
		System.out.println(T3.v1+" "+T3.v2);
		Multiply(T1,T2,T3);
		System.out.println(T3.v1+" "+T3.v2);
	}
}