Task: Program Execution
Input (English): 19, 19, ['O', 'K', '9567', 'B', '6751', 'A', 'j', 'S', '2839', '7517', '9069', '3417', 'P', 'G', 'H', 'o', 'z', 'J', 't', '6975', '7399', '6171', 'u', '7213', '3057', '7347', 'H']
Output (English): t