Task: Program Execution
Input (English): 7, 7, ['P', '4435', '2381', '8157', '4697', '7445', 'H', '8655', '2783', '4313', '1673', 'C', 'W', 'A', 'x', 'g', '7217', 'G', 'j', 'D']
Output (English): 0