//https://www.e-olymp.com/ru/problems/7363

include <bits/stdc++.h>

using namespace std;

typedef long long ll; typedef long double ld;

ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; }

ll lcm(ll a, ll b) { return a / gcd(a, b) * b; }

void solve() { // cout.setf(std::ios::fixed); // cout.precision(2);

ll a, b, c, d;
cin >> a >> b >> c >> d;
ll y = lcm(b, d);
a *= (y / b);
c *= (y / d);
ll x = a + c;
ll n = gcd(x, y);
x /= n, y /= n;
if(x == y)
    cout << "1" << endl;
else
    cout << x << " " << y << endl;

}

int main() { iosbase::syncwith_stdio(false), cin.tie(NULL), cout.tie(NULL);

ifdef _DEBUG

freopen("input-1.txt", "r", stdin);
//freopen("output-1.txt", "w", stdout);

endif

solve();
//int t; cin >> t; while (t--) solve();

return 0;

}