Crossing Sequences

using System;
using System.Collections.Generic;
using System.Linq;

namespace CrossingSequences
{
    class CrossingSequences
    {
        static void Main()
        {
            int fibonacci1 = int.Parse(Console.ReadLine());
            int fibonacci2 = int.Parse(Console.ReadLine());
            int fibonacci3 = int.Parse(Console.ReadLine());
            int spiralInitial = int.Parse(Console.ReadLine());
            int spiralStep = int.Parse(Console.ReadLine());
            List<int> fibonacci = new List<int>();
            List<int> fiboFinal = new List<int>();
            List<int> spiralSeq = new List<int>();
            List<int> spiralFinal = new List<int>();
            fibonacci.Add(fibonacci1);
            fibonacci.Add(fibonacci2);
            fibonacci.Add(fibonacci3);
            spiralSeq.Add(spiralInitial);
            spiralSeq.Add(spiralInitial + spiralStep);
            spiralSeq.Add(spiralInitial + 2 * spiralStep);

            for (int i = 0, j=1, k=2; i < 200; i++)
            {
                if (fibonacci[i] > 1000000)
                {
                    break;
                }
                else
                {
                    fibonacci.Add(fibonacci[i] + fibonacci[j] + fibonacci[k]);
                    j++;
                    k++;
                }

            }

            for (int i = 0; i < fibonacci.Count; i++)
            {
                if (fibonacci[i] <= 1000000)
                {
                    fiboFinal.Add(fibonacci[i]);
                }
            }

            for (int i = spiralInitial+2*spiralStep, j = 2; i <= 1000000; )
            {
                spiralSeq.Add(i + spiralStep * j);
                spiralSeq.Add(i + spiralStep * j*2);
                i = i + spiralStep * j * 2;
                j++;
            }

            for (int i = 0; i < spiralSeq.Count; i++)
            {
                if (spiralSeq[i] <= 1000000)
                {
                    spiralFinal.Add(spiralSeq[i]);
                }
            }

            List<int> common = fiboFinal.Intersect(spiralSeq).ToList();

            if (common.Count==0)
            {
                Console.WriteLine("No");
                return;
            }
            else
            {
                Console.WriteLine(common.Min());
            }
        }
    }
}