using System.Runtime.ConstrainedExecution;
public static void Main()
int a = 34, b = 3, c = 45454;
Console.WriteLine("a is highest!");
Console.WriteLine("b is highest!");
Console.WriteLine("c is highest!");
Console.WriteLine("Um, I don't know...");
if (a < 0 || b < 0 || c < 0)
Console.WriteLine("One of the numbers is negative");
Console.WriteLine("At least 2 of the 3 numbers is even!");
Console.WriteLine("Feeling great!");
Console.WriteLine("Feeling so-so!");
Console.WriteLine("Feeling down!");
Console.WriteLine("Invalid input!");
Console.WriteLine("Feeling great!");
Console.WriteLine("Feeling so-so!");
Console.WriteLine("Feeling down!");
Console.WriteLine("Invalid input!");
Console.WriteLine("A funny switch/case");
Console.WriteLine("The number is less than 4");
Console.WriteLine("The number is 4 or 5");
Console.WriteLine("The number is negative OR greater than 5!");
string Tri1 = Console.ReadLine();
string Tri2 = Console.ReadLine();
string Tri3 = Console.ReadLine();
if (Tri1 + Tri2 + Tri3 == 180) {
Console.WriteLine("This is a Valid triangle");
Console.WriteLine("This is an INVALID triangle");