05. Add and Subtract

using System;

namespace P5._AddAndSubtract
{
    internal class Program
    {
        static void Main(string[] args)
        {
            int numberOne = int.Parse(Console.ReadLine());
            int numberTwo = int.Parse(Console.ReadLine());
            int numberThree = int.Parse(Console.ReadLine());
            int sum = (numberOne + numberTwo) - numberThree;
            Console.WriteLine(sum);
        }
    }
}