Search for the first n A Manison number
# The input here is automatically completed by the system and does not need to be input by yourself , As long as you write such a sentence, you can write the content of the topic ： Find the first n A Manison number .P Is prime and M And prime numbers , And satisfy the equation M=2^P-1, said M Count for Manison . for example ,P=5,M=2^P-1=31,5 and 31 All prime numbers , therefore 31 It's the Manison number . Input format : Use as prompted input() Function input / output format ：int Type input example ：4 sample output ：127
