Create a PL/SQL block to calculate factorial of a number entered from the screen by the user. If the number is odd number, calculate the factorial of odd numbers only. If the number is an even number, calculate the factorial of even numbers only. Also, display a message about the number if it is an even or odd number. You must use loop structure. See sample outputs below. The number 12 is entered and it is EVEN number.Factorial of EVEN integers for 12 is 46,080 The number 13 is entered and it is ODD  number.Factorial of ODD  integers for 13 is 135,135

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