Task: Program Execution
Input (English): 1, 2, ['6249', 'Y', '4837', 'y', 'M', '7827', '3815', 'R', '3163', '6275', '6405', 'a', '3779', 'O', '4799', '8725', 'o', '7187', 'q', 'l', '6761', 'V', 'q', 'k', 'D']
Output (English): 6249, Y