There are N people in a room.
Your task is to find the number of ways to divide the people of the room into two groups A and B, such that each group contains at-least one member.
As the number of ways can be large, print output modulo .
Input format
Output format
For each test case, print the number of ways as modulo in a new line.
Constraints
In case 1 : There are 2 people in room , so there are two ways i.e
a) Group1 : Person , Group 2 : Person
b) Group1 : Person , Group 2 : Person