#D10827. 1
1
1
Input
The input contains two integers a1, a2 (0 ≤ ai ≤ 109), separated by a single space.
Output
Output a single integer.
Examples
Input
3 14
Output
44
Input
27 12
Output
48
Input
100 200
Output
102
inputFormat
Input
The input contains two integers a1, a2 (0 ≤ ai ≤ 109), separated by a single space.
outputFormat
Output
Output a single integer.
Examples
Input
3 14
Output
44
Input
27 12
Output
48
Input
100 200
Output
102
样例
27 12
48