Take as input a two-d array. Wave print it column-wise.
Input Format
Two integers M(row) and N(colomn) and further M * N integers(2-d array numbers).
Constraints
Both M and N are between 1 to 10.
Output Format
All M * N integers seperated by commas with 'END' wriiten in the end(as shown in example).
Sample Input
4 4
11 12 13 14
21 22 23 24
31 32 33 34
41 42 43 44
Sample Output
11, 21, 31, 41, 42, 32, 22, 12, 13, 23, 33, 43, 44, 34, 24, 14, END