Task: Program Execution
Input (English): 4, 6, ['4509', 'l', 'i', 'o', '3677', '2911', '8791', '635', 'Z', '481', '9373', '1207', 't', 'P', 'c', 'n', 'x', '5803']
Output (English): 2911, 3677, o