// A chocolate bar is a rectangle with m x n rectangular pieces. 

// Can we take out exactly k pieces of it 

// by breaking the bar along a single straight line going between the pieces?

// The program should input 3 positive integer numbers m, n, k 

// and print “Yes” if we can and “No” otherwise.

​

using System;

using System.Diagnostics;

public class Program

{

    public static int InputInt(string prompt)

    {

        Console.Write("Enter " + prompt + ":");

        return Convert.ToInt32(Console.ReadLine());

    }

    public static void Main(string[] args)

    {

        // input data

        int side1 = InputInt("one side length");

        int side2 = InputInt("another side length");

        int nTake = InputInt("the number of pieces to remove");

        Trace.Assert(side1 > 0 && side2 > 0 && nTake > 0);

        // output result

        if (nTake % side1 == 0 || nTake % side2 == 0 && nTake <= side1 * side2){

            Console.Write("Yes");

        }else{

            Console.Write("No");

        }

    }

}