Task: Program Execution
Input (English): 30, 30, ['Y', '543', 'v', '5647', '9655', '277', 'P', 'J', 'L', 'S', '159', '1271', 'w', '4743', '5087', 'P', '7455', '9521', '5443', 's', '7977', '2363', 'K', '4487', '6669', 'r', '2381', 'L', 'W', 'Y']
Output (English): 0