Task: Program Execution
Input (English): 1, 5, ['9553', 'F', 'v', 't', 'a', '1257', '8629', 'm', 'N', '5085', '6983', 'B', '7199', 't', 'I', '63', '6741', '4409']
Output (English): 9553, 1257, 6983, 63