static void Main(string[] args) {
     int a = 0; 
     decimal b = 0; 
     double c = 0.0; 

    Console.WriteLine(a == b);        
    Console.WriteLine(a.Equals(b));     
    Console.WriteLine(a == c);   \
    Console.WriteLine(a.Equals(c));     
    Console.ReadLine();
 }