https://www.acmicpc.net/problem/10430
using System;
namespace baekjoon
{
class Program
{
static void Main(string[] args)
{
string input = Console.ReadLine();
string[] strNumbers = input.Split(' ');
int intNumberA = int.Parse(strNumbers[0]);
int intNumberB = int.Parse(strNumbers[1]);
int intNumberC = int.Parse(strNumbers[2]);
Console.WriteLine((intNumberA + intNumberB) % intNumberC);
Console.WriteLine(((intNumberA % intNumberC) + (intNumberB % intNumberC)) % intNumberC);
Console.WriteLine((intNumberA * intNumberB) % intNumberC);
Console.WriteLine(((intNumberA % intNumberC) * (intNumberB % intNumberC)) % intNumberC);
}
}
}