#include <bits/stdc++.h>

using namespace std;
int Cmmdc(int x, int y)
{
    int r;
    while(y!=0)
    {
        r=x%y;
        x=y;
        y=r;
    }
    return x;
}
int Cmmmc(int x,int y)
{
    int t;
    t=(x*y)/Cmmdc(x,y);
    return t;
}
int main()
{
    int a,b,c, d,n=0,m=0,a1,b1,c1,d1;
    cin>>a>>b>>c>>d;
    a1=a;
    b1=b;
    c1=c;
    d1=d;
    while(b!=d)
    {
        a=a*Cmmmc(b,d)/b;
        c=c*Cmmmc(b,d)/d;
        b*=Cmmmc(b,d)/b;
        d*=Cmmmc(b,d)/d;
    }
    cout<<a+c<<" "<<b<<"\n";  /// trebuie sa reduci la o forma ireductila si fractia (a+c)/b
    n=a1*c1;
    m=b1*d1;
    while(Cmmdc(n,m)!=1)
    {
        n=n/Cmmdc(n,m);
        m=m/Cmmdc(n,m);
    }
    cout<<n<<" "<<m;

    return 0;
}