package week03;

import java.util.Scanner;

class Ration {
	private int v1;
	 private int v2;
	 
	 
	 
	 private static int gcd(int m,int n)
	{
		int t;
		while(m%n!=0)
		{
			t=n;
			n=m%n;
			m=t;
		}
		return n;
	}
		
	public  Ration() {}
		
	public Ration(int v1 , int v2)
	{
	 this.v1=v1;
	 this.v2=v2;
	}
		 		
	public static void add(Ration T1,Ration T2 ,Ration T3)
	 {
			int y=T1.v2*T2.v2;
			int x1=T1.v1*T2.v2;
			int x2=T2.v1*T1.v2;
			int n=gcd(y,x1+x2);
			T3.v1 = (x1+x2)/n;
			T3.v2 = y/n;
	 }


	 	
	public static void Multiply(Ration T1,Ration T2 ,Ration T3)
	 {
			T3.v1 = T1.v1*T2.v1;
			T3.v2 = T1.v2*T2.v2;
			int n = gcd(T3.v2,T3.v1);
			T3.v1/=n;
			T3.v2/=n;
	}
	 		 
	public static void Get(Ration t)
		{
			System.out.println(t.v1+" "+t.v2);
		}
		
	public static void Get1(Ration t,int i)
		{
			if(i==1) System.out.println(t.v1);
			else System.out.println(t.v2);
		}
	



	public static class Main {

		public  void main(String[] args) {
			Scanner sc = new Scanner(System.in );
			Ration a = new Ration(sc.nextInt(),sc.nextInt());
			Ration b = new Ration(sc.nextInt(),sc.nextInt());
			Ration c = new Ration();
			Ration d = new Ration();
			Ration.add(a,b,c);
			Ration.Get(c);
			Ration.Multiply(a,b,d);
			Ration.Get(d);
			Ration.Get1(a,sc.nextInt());
			sc.close();
			System.out.println("201621123079 Áõ˼Զ");
		}

}

	
	

}