三个数求最大数

using System;
public class Test
{
public static void Main()
{
int x;
int y;
int z;
Console.WriteLine ("请输入三个数:");
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);
}
}
}
}