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using System;
class HelloWorld {
static void Main() {
Console.Write("Please enter a n1: ");
int n1 = int.Parse(Console.ReadLine());
Console.Write("Please enter a n2: ");
int n2 = int.Parse(Console.ReadLine());
Console.Write("Please enter a n3: ");
int n3 = int.Parse(Console.ReadLine());
Console.Write("Please enter a n4: ");
int n4 = int.Parse(Console.ReadLine());
//حل1
//int max = Math.Max(n1, n2);
//max = Math.Max(n3,max);
//max = Math.Max(n4, max);
//حل2
int max = Math.Max( Math.Max(n1, n2), Math.Max(n3, n4));
Console.WriteLine("max numer is: " + max);
}
}
