Task: Program Execution
Input (English): 4, ['R', '837', '6317', '6151', '237', 'H', 'F', '425', 'h', 'a', '1961', 'X', '7069', '9625', 'c', 'o', '7993', '2437', '3', 't', '5463', 'H', 'R', '9859', '2195', 'Q', 'r', 'B', 'K', '3677', 'p', '1143', 'V', 'T', '7731']
Output (English): R, 237, h, 7069, 7993, 5463, 2195, K, V