Write a program to calculate the following series sum = 2 + 4 + 6 + 8 + 10 + 12 + 14 + + n, the user has to enter the value of n and n should be an even number, if n was entered as an odd number you should print a message "wrong input! ”, otherwise find the sum of the series. the output should be:enter an odd number for n: 12 sum = 2 + 4 + 6 + 8 + 10 + 12 = 42