Ravi claims every beautiful girl that passes by to be his ex while none of his friends has ever seen him with his so claimed girlfriend. Ravi finally has found a girl in his hometown and really wants to propose her.

He is fond of mathematics too and is stuck with a problem on series. He has asked you to help him out with the problem so that he may take her to a restaurant.

X = 1 * 0! - 2 * 1! + 3 * 2! - 4 * 3! + 5 * 4! + ... n*(n-1)!

where n! = n * (n-1) * (n-2) * (n-3) *.... 1

The only line of the input contains the value on n and M separated by a space.

You have to print the value of |X|%M

Your Input : 631241 2343

NOTE You do not need to create a program for this problem you have to write your answers of given input in given code snippet

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