using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace pj6 { class Program { static void Main(string[] args) { int X = int.Parse(Console.ReadLine()); int Y = int.Parse(Console.ReadLine()); int L = int.Parse(Console.ReadLine()); int count = 0; if(X < 0) { X = X * -1; } if (Y < 0) { Y = Y * -1; } if(X > 0 && Y > 0) { count++; } while(X > 0) { X -= L; count++; } while(Y > 0) { Y -= L; count++; } Console.WriteLine(count); } } }