how to start an if statement in c#

your mom lol if(number > 10)
        Console.WriteLine("test1");
        else
        if(number < 0)
            Console.WriteLine("test2");string emotions;
emotions = Console.ReadLine();
//for emotions say the user input was either
//happy,sad and mad
if (emotions == "happy")
{
  Console.Write("You are happy");
}
else if (emotions == "sad")
{
    Console.Write("You are sad");
}
else if (emotions == "mad")
{
    Console.Write("You are mad");
}
else
{
    Console.Write("Unknown input");
}if (1 + 1 = 2)
{
    Console.WriteLine("1 + 1 = 2");
}
else
{
    Console.WriteLine("1 + 1 = 3");
}