Task: Program Execution
Input (English): 4, 13, ['793', 'z', 'B', 'F', 'J', 'y', 'J', 'd', '2313', '2901', 'b', 'w', '7567', '5817', 'u', 'W', 'w', 'A', '2131', '3773', '9913', '5345', '1009', 'M', '9403', '7801']
Output (English): FJyJd23132901bw7567