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string day, msg = "0";
day = System.Console.ReadLine ();
switch (day)
{
case "1": case "Понедельник": msg = msg + "1"; break;
case "2": case "Вiвторок": msg = msg + "2"; break;
default: msg = msg + "3"; break;
}
System.Console.WriteLine (msg);
(**CharpBase**)