Task1Lab5_1

import java.util.Scanner;

class Task1_5_1 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int m = 0, n = 0, gcd;
        int a = sc.nextInt(), b = sc.nextInt(), c = sc.nextInt(), d = sc.nextInt();
        m = (a * d) + (c * b);
        n = b * d;
        gcd = GCD(m, n);
        m /= gcd;
        n /= gcd;
        System.out.println(m + " " + n);
    }

    public static int GCD(int a, int b) {
        if (b == 0)
            return a;
        else return GCD(b, a % b);
    }
}