using System;

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namespace Months 

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{

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class Program

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{

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static string GetMonth(int month)

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{

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string MonthName;

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switch (month)

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{

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case 1: MonthName = "January";

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break;

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case 2: MonthName = "February";

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break;

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case 3: MonthName = "March";

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break;

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case 4: MonthName = "April";

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break;

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case 5: MonthName = "May";

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break;

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case 6: MonthName = "June";

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break;

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case 7: MonthName = "July";

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break;

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case 8: MonthName = "August";

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break;

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case 9: MonthName = "September";

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break;

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case 10: MonthName = "October";

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break;

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case 11: MonthName = "November";

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break;

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case 12: MonthName = "December";

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break;

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default: Console.WriteLine("Invalid month!");

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return null;

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}

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return MonthName;

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}

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static void SayPeriod(int startMonth, int endMonth)

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{

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int period = endMonth - startMonth;

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if (period < 0)

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{

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// Fix negative distance

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period = period + 12;

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}

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Console.WriteLine("There is {0} months period from {1} to {2}.",

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period, GetMonth(startMonth), GetMonth(endMonth));

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}

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static void Main(string[] args)

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{

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Console.Write("First month (1-12): ");

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int firstMonth = int.Parse(Console.ReadLine());

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Console.Write("Second month (1-12): ");

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int secondMonth = int.Parse(Console.ReadLine());

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SayPeriod(firstMonth, secondMonth);

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}

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}

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}