Find summation of Fibonacci numbers from l to r mod 99991. Precisely find (fib(l) + fib(l+1) + ..... + fib(r) ) mod 99991.

Initial conditions for Fibonacci numbers is defined as follows :

fib(0) = 0 , fib(1) = 1

Input Format

Input contains a single line containing two space separated integers l and r.

Output Format

Output single integer denoting the answer.

Constraints :

0<=l<=r<=10^18

Setter : Aayush Kapadia