using System;

namespace MyCompiler {
    class Program {
        public static void Main(string[] args) {
            Console.WriteLine("x : n1 = n2 : n3");
            int[] numbers = new int[3];
            
            int x = 0;
            for (int i = 0; i < 3; i++) {
                numbers[i] = int.Parse(Console.ReadLine());
            }
            x = (numbers[0]*numbers[1])/numbers[2];
            Console.WriteLine("x = " + x);
        }
    }
}