Can you find the last number in the series below?

voN luJ yaM raM ?

beF

Step-A: Get input
voN luJ yaM raM ?

Step-B: Reverse input
? Mar May Jul Nov

Step-C: Get month numbers.
? 3 5 7 11

Step-D: Find the pattern
They all are prime numbers, therefore first number will be "2".

Final Step:
2nd month is Feb and reverse is beF