public static void Main()
Console.WriteLine("program for finding prime , even odd ,vowels and consonants , calculaor: ");
Console.WriteLine (" \nenter your comand ( a , b )");
Console.WriteLine ("\nfor calculator press {a} ");
Console.WriteLine("for value status plate press {b} ");
comand = Console.ReadLine();
Console.WriteLine("Hello, welcome to Alex's basic calculator!");
Console.Write("Enter the first number in your basic equation: ");
firstNum = Convert.ToInt32(Console.ReadLine());
Console.Write("Now enter your second number in the basic equation: ");
secondNum = Convert.ToInt32(Console.ReadLine());
Console.Write("Ok now enter your operation ( x , / , +, -) ");
operation = Console.ReadLine();
answer = firstNum * secondNum;
Console.WriteLine(firstNum + " x " + secondNum + " = " + answer);
else if (operation == "/")
answer = firstNum / secondNum;
Console.WriteLine(firstNum + " / " + secondNum + " = " + answer);
else if (operation == "+")
answer = firstNum + secondNum;
Console.WriteLine(firstNum + " + " + secondNum + " = " + answer);
else if (operation == "-")
answer = firstNum - secondNum;
Console.WriteLine(firstNum + " - " + secondNum + " = " + answer);
Console.WriteLine("Sorry that is not correct format! Please restart!");
Console.WriteLine("THE VALUE STATUS PLATE SHOWS WHETHER \n THE VALUE ENTERED IS AN \nALPHABET , PRIME ,EVEN OR AN ODD NUMBER ");
Console.WriteLine("***************************************");
Console.Write("\n\nEnter any value of your choice: ");
character = Char.Parse(Console.ReadLine());
if((character >= 'A' && character <= 'Z')||character >= 'a' && character <= 'z')
if (character == 'a' || character == 'A' || character == 'e' || character == 'E'
|| character == 'i'|| character == 'I' || character == 'o' || character == 'O'
|| character == 'u' || character == 'U')
Console.WriteLine(character + " is a vowel");
Console.WriteLine(character + " is a consonant");
Console.WriteLine(character + " is not an alphabet");
Console.Write("\n Number is not Prime.");
Console.Write("but it is a Prime number.");
Console.WriteLine("\nit is also an even integer");
Console.WriteLine("\n and also an odd integer");