Task: Program Execution
Input (English): 5, 6, ['j', 'z', '1571', 'D', 'U', '7981', '3519', '1631', '493', '2165', '9475', 'g', '4633', '1983', '6865', 'D', 'X', '1967', 'b', '1891', 'b', 'x', 'G', '113', '3255', 'a', '4343', 'w']
Output (English): 7981U