using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace YukiCoder { class Program { static void Main(string[] args) { int nT = int.Parse(Console.ReadLine()) * 60 / 100 + 10 * 60; int nH = nT / 60; int nM = nT % 60; Console.WriteLine(nH.ToString("D02") + ":" + nM.ToString("D02")); //Console.ReadLine(); } } }