using System;

struct Distance
{
    public int feet;
    public int inches;

    public void Print()
    {
        Console.WriteLine("{0}' - {1}''", feet, inches);
    }
}

public class Program
{
    public static void Main(string[] args)
    {
        Distance d1, d2, d3;

        Console.Write("Input the first distance (feet): ");
        d1.feet = int.Parse(Console.ReadLine());
        Console.Write("Input the first distance (inches): ");
        d1.inches = int.Parse(Console.ReadLine());

        Console.Write("Input the second distance (feet): ");
        d2.feet = int.Parse(Console.ReadLine());
        Console.Write("Input the second distance (inches): ");
        d2.inches = int.Parse(Console.ReadLine());

        d3.feet = d1.feet + d2.feet;
        d3.inches = d1.inches + d2.inches;

        d3.feet += d3.inches % 12;
        d3.inches = d3.inches / 12;

        d3.Print();

    }
}