Task: Program Execution
Input (English): 2, 12, ['K', '6103', 'B', '4563', 't', '6263', '4693', 'U', 'g', 'k', 'P', '8249', 'S', '9197', '8879', 'A']
Output (English): 8249PkgU46936263t4563B6103