#include<iostream>
#include<cstring>
#include<cstdio>
using namespace std;

int main()
{
int i,j,k,l,zi,mu,r,a,b;
cin>>i>>j;
cin>>k>>l;
mu=j*l;
zi=i*l+j*k;
a=zi;b=mu;
if(zi>mu)
{
	r=zi%mu;
	while(r)
	{
		zi=mu;
		mu=r;
		r=zi%mu;
	}
	b/=mu;
	a/=mu;
}
else
{
	r=mu%zi;
	while(r)
	{
		mu=zi;
		zi=r;
		r=mu%zi;
	}
	b/=zi;
	a/=zi;
}
cout<<a<<" "<<b;
}