A polyline
说明
H. A polyline
time limit per test
2 secondsmemory limit per test
256 megabytesinput
standard inputoutput
standard output
Input
The input contains two integers a,b (1≤a≤10,0≤b≤22·a-1) separated by a single space.
Output
Output two integers separated by a single space.
Examples
Input
1 0
Output
0 0
Input
2 15
Output
3 0
Input
4 160
Output
12 12
样例
