#P171H. A polyline

A polyline

Description

The input contains two integers a, b (1 ≤ a ≤ 10, 0 ≤ b ≤ 2a - 1) separated by a single space.

Output two integers separated by a single space.

Input

The input contains two integers a, b (1 ≤ a ≤ 10, 0 ≤ b ≤ 2a - 1) separated by a single space.

Output

Output two integers separated by a single space.

Samples

1 0

0 0

2 15

3 0

4 160

12 12