Task: Program Execution
Input (English): 1, 7, ['m', 'Q', 'Q', 'B', '8739', 'O', '503', '4103', '8005', 'R', '8379', '2285', 'j', 'Z', 'd', '5391', 'r', '3335']
Output (English): 503O8739BQQm