using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter function like 12x^2+5x-6");

        String function = Console.ReadLine();

        int[] numbers = parseFunction(function);

        Console.WriteLine("Enter x");

        int x = int.Parse(Console.ReadLine());

        for (int i = 0; i<numbers.Length;i++)

        {

            Console.WriteLine("coef for x^" + (numbers.Length - i - 1) + " = " + numbers[i]);

        }

        int y = numbers[0] * x * x + numbers[1] * x + x;

        Console.WriteLine("y = " + y);

    }

    private static int[] parseFunction(String function)

    {

        string str = "";

        int[] numbers = new int[3];

        int k = 0;

        bool skip = false;

        bool minus = false;

        for (int i=0; i< function.Length; i++) 

        {

            if (function[i] == '-')

            {

                minus = true;

                if (str.Length > 0)

                    str = "";

            } else if (Char.IsDigit(function[i]))

            {

                skip = true;

                str += function[i];

            } else if (skip && function[i] == 'x')

            {

                int sign = 1;

                if (minus) sign = -1;

                numbers[k] = (sign) * int.Parse(str);

                minus = false;

                skip = false;

                str = "";

                k += 1;

            } else if (skip)

            {

                skip = false;

                minus = false;

                str = "";

            }

        }

        int sign2 = 1;

        if (minus) sign2 = -1;

        numbers[k] = (sign2) * int.Parse(str);

        return numbers;

    }

}