Task: Program Execution
Input (English): 2, 2, ['3809', '491', '825', 'v', '9275', '583', 't', '9293', 'P', '3545', '2243', 'B', '9519', 'b', 'J', '421', 'a', '6597', '7877']
Output (English): 491, v, 583, 9293, 3545, B, b, 421, 6597