internal class Program
{
static void Main(string[] args)
{
int peopleInLine;
int hours;
int minutes;
int minutesInHour = 60;
int meetingDurationInMinutes = 10;
int waitingTimeInMinutes;

Console.Write("Сколько человек в очереди: ");
peopleInLine = Convert.ToInt32(Console.ReadLine());

waitingTimeInMinutes = peopleInLine * meetingDurationInMinutes;
hours = waitingTimeInMinutes / minutesInHour;
minutes = waitingTimeInMinutes % minutesInHour;

Console.Write($"Время ожидания: {hours} часов {minutes} минут.");
Console.ReadKey();
}
}