Task: Program Execution
Input (English): 9, 11, ['3471', 'Y', 'r', '3759', 'n', 'l', 'z', '9029', 't', 'Z', '6923', 'B', '9071', 'Q', 'V', '983', 'B', 'P', 'I', '2615', 'i', 'w']
Output (English): 6923Zt