Task: Program Execution
Input (English): 1, 9, ['661', '147', '497', '4781', '4831', '6573', 'l', 'D', '9045', '4201', 'q', '2645', 'Q', 'A', 'X', '4491', '5679', 'f', 'F', 'o', 'C', 'n', '4233', 'u', '3293']
Output (English): 661, 4201, F