Task: Program Execution
Input (English): 7, 8, ['4993', 'd', '8931', 'o', 'z', '8679', 'B', 'A', '2243', '5221', 'r', '8343', '4889', 'D', 'g', '8593', 'e', '1909', 'C', 'x']
Output (English): 0