using System;
public class Test
{
	public static void Main()
	{
		int x;
		int y;
		int z;
		Console.WriteLine ("請輸入三個數(shù):");
		x=int.Parse (Console.ReadLine ());
		y=int.Parse (Console.ReadLine ());
		z=int.Parse (Console.ReadLine ());
		if(x>y)
		{
			if(x>z)
			{
				Console.WriteLine (x);
			}
			else
				Console.WriteLine (z);
		}
		else
		{
			if(y>z)
			{
				Console.WriteLine (y);

			}
			else
			{
				Console.WriteLine (z);
			}
		}
	}
}