public static void Main()
int limit = 18 , max = 60;
Console .WriteLine("type you age: ");
age = Convert .ToInt32(Console.ReadLine());
Console.WriteLine("Age {0} invalid:" , age) ;
Console.WriteLine("age {0} is greater than {1}",age,max);
Console.WriteLine("Age {0} is valid", age);
Console.WriteLine("Gender (M_Male, F-Female): ");
string gender = Console.ReadLine();
Console.WriteLine("Males: {0}, Females: {1}", males, females);