namespace FrogJump { using System; class MainClass { public static int NumberOfWays(int distance) { if (distance == 1) { Console.WriteLine("step"); return 1; //step } else if (distance == 2) { Console.WriteLine("step step or jump"); return 2; } else { return NumberOfWays(distance - 1) + NumberOfWays(distance - 2); } } static void Main() { Console.WriteLine(NumberOfWays(10)); } } }