Task: Program Execution
Input (English): 1, ['7505', '2045', 'C', 'P', '7003', '7901', 'Z', 'J', '1875', 'h', 'f', '3471', 'h', 'B', 'w', 'L', 'Y', 'o', 'Q', 'a', 'd']
Output (English): 7505