using System;

public class Program

{

    public static void Main()

    {

        DateTime fecha_actual= new DateTime(day:26, month: 7, year: 2017, hour:18, minute:45, second: 0);

        DateTime fecha_ingreso= new DateTime(day:25, month: 7, year: 2017, hour:16, minute:45, second: 0);

        TimeSpan ts = fecha_actual - fecha_ingreso;

        var differenceInDias = ts.TotalDays;

        var differenceInHours = ts.TotalHours;

        var differenceInMinuntos = ts.TotalMinutes;

        Console.WriteLine(differenceInHours);

    }

}