Task: Program Execution
Input (English): 13, 15, ['i', 'I', 'Y', '6925', 'Z', '8419', '7771', '3015', '1695', '745', 'Y', 'e', 'V', 'm', 't', 'F', 'J', 'e', 'N', '2973', 'o']
Output (English): 0