Task: Program Execution
Input (English): 1, 18, ['1493', 'r', 'J', '7693', '8019', 'M', '1353', '5725', 'o', '3177', '5841', '6663', '4103', '109', 'R', '3889', 'c', 'X', '6753', '9405', '2663', '1215']
Output (English): 1493rJ76938019M13535725o3177584166634103109R3889cX