using sc = System.Console;
using s = System;

public class statemant
{
	public static void Main()
	{
		string
			name,
			re1,
			re2,
			grade1,
			grade2,
			grade3;
		
		double
			reone,
			retwo,
			g1,
			g2,
			g3;

		double
			reA,
			avA,
			avB,
			avC,
			finalAvrage;


		sc.WriteLine("Please input your name:");
		name = sc.ReadLine();

		sc.WriteLine("In-put re-1:");
		re1 = sc.ReadLine();
		reone = s.Convert.ToDouble(re1);

		sc.WriteLine("In-put re-2:");
		re2 = sc.ReadLine();
		retwo = s.Convert.ToDouble(re2);


		sc.WriteLine("In-put grade1:");
		grade1 = sc.ReadLine();
		g1 = s.Convert.ToDouble(grade1);

		sc.WriteLine("In-put grade2:");
		grade2 = sc.ReadLine();
		g2 = s.Convert.ToDouble(grade2);

		sc.WriteLine("In-put grade3:");
		grade3 = sc.ReadLine();
		g3 = s.Convert.ToDouble(grade3);


		
		
		avA = av1(g1, g2);
		avB = av2(g2, g3);
		avC = av3(g1, g3);
		reA = re(reone, retwo);
		finalAvrage = final(reA, g1, g2, g3, avA, avB, avC);


		sc.WriteLine("Name: {0}  Class Avrage: {1}", name, finalAvrage);
		sc.WriteLine("research avrage {0}",reA);


		if( g3 < g1 && g2 > g3 || g3 < g1 && g2 == g3)//
		{
			sc.WriteLine("Grade1: {0}", g1);
			sc.WriteLine("Grade2: {0}", g2);
			sc.WriteLine("Avrage is {0}", avA);
			sc.ReadLine();
		}
		if( g1 < g2 && g3 > g1 || g1 < g2 && g3 == g1 )//
		{
			sc.WriteLine("Grade1: {0}", g2);
			sc.WriteLine("Grade2: {0}", g3);
			sc.WriteLine("Avrage is {0}", avB);
			sc.ReadLine();
		}
		if( g2 < g1 && g3 > g2 || g2 < g1 && g3 == g2 )//
		{
			sc.WriteLine("Grade1: {0}", g1);
			sc.WriteLine("Grade2: {0}", g3);
			sc.WriteLine("Avrage is {0}", avC);
			sc.ReadLine();
		}

		if( g2 == g1 && g3 == g2 )
		{
			sc.WriteLine("Grade1: {0}", g1);
			sc.WriteLine("Grade2: {0}", g2);
			sc.WriteLine("Avrage is {0}", avA);
			sc.ReadLine();
		}



	}

/*________________________________________
 * begin research avrage
 * _______________________________________*/

	public static double re(double reone, double retwo)
	{
		double avrage;
		avrage = (reone + retwo)/2;
		return avrage;
	}

/*______________________________________
 * end research avrage
 * ____________________________________*/





/*______________________________________________________________________________________
 * 
 * begin avrageing grades 1 - 3
 * _____________________________________________________________________________________
 * */
	public static double av1(double g1, double g2)
	{
		double avrage;
		avrage = (g1 + g2)/2;
		return avrage;
	}

	public static double av2(double g2, double g3)
	{
		double avrage;
		avrage = (g2 + g3)/2;
		return avrage;
	}

	public static double av3(double g1, double g3)
	{
		double avrage;
		avrage = (g1 + g3)/2;
		return avrage;
	}
/*________________________________________________________________________________
 * 
 * end grades 1-3 avrage
 * _______________________________________________________________________________*/

/* __________________________________________
 * final avrage
 * _________________________________________*/

	public static double final(double reA, double g1, double g2, double g3, double avA, double avB, double avC)
	{
		double 
			final1;
			//final2,
			//final3,
			//final4;

		if( g3 < g1 && g2 > g3 || g3 < g1 && g2 == g3)
		{
			final1 = (reA + avA)/2;
			//return final1;
		}
		if( g1 < g2 && g3 > g1 || g1 < g2 && g3 == g1 )
		{
			final1 = (reA + avB)/2;
			//return final2;
		}
		if( g2 < g1 && g3 > g2 || g2 < g1 && g3 == g2 )
		{
			final1 = (reA + avC)/2;
			//return final3;
		}
		if( g2 == g1 && g3 == g2 )
		{
			final1 = (reA + avA)/2;
			//return final4;
		}

		return final1 ;

	}
		






}