using System;

public class Program

{

    public static void Main()

    {

        int a,b,c;

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

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

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

        int delta = b*b -4*a*c;

        if (delta > 0)

        {

         Console.WriteLine("2 solutions");

        }

             if (delta ==0) {

                 Console.WriteLine("1 solution");

             }

        if (delta < 0)

            Console.WriteLine("no solutions");

    }

}