Task: Program Execution
Input (English): 6, 6, ['x', '4099', '6637', '9499', 'e', 'o', '4923', '2897', '3595', 'H', 'p', 'x', 'j', 'o', '8743', 'e', '2433', '9199', 'j', 'W', 'a']
Output (English): 0