Task: Program Execution
Input (English): 1, ['967', 'W', 'u', '565', '8581', 'U', 'k', 's', 'd', 'x', '875', '3157', '5157', 'H', '3929', '4431', '8859', 'r', 'y', 'O', 'T', '3197']
Output (English): 967