Task: Program Execution
Input (English): 1, ['N', 'B', '6341', '2109', '2483', 'I', '6901', 'B', 'd', 'g', '6179', 'K', 'E', 'M', 'a', 'r', '2511', '2957', 'H', '2181', '683', 'Y']
Output (English): N