Pawel and Shaka recently became friends. They believe their friendship will last forever if they merge their favorite strings.
The lengths of their favorite strings are the same, . Mingling two strings, and , both of length , will result in the creation of a new string of length . It will have the following structure:
You are given two strings (Pawel's favorite) and (Shaka's favorite), determine the mingled string .
The first line of input contains the string .
The second line contains .
Print the mingled string, .
The string only consists of lowercase English characters ().
length(P) = length(Q)
Sample Input #00
Sample Output #00
Sample Input #01
Sample Output #01
Sample Case #00:
Sample Case #01:
Tested by Wanbo