You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top?
Your program should accept as its first argument a path to a filename.
Each line in this file contains a positive integer which is the total number of stairs.
Ignore all empty lines.
E.g.
10 20
Print out the number of ways to climb to the top of the staircase. E.g.
89 10946
Constraints:
The total number of stairs is <= 1000