Task: Program Execution
Input (English): 4, ['3895', 'b', 'u', '7911', '6069', 'u', '3891', '487', '1437', 'J', 't', '6277', 'g', 'r', 'd', '5923', '1809']
Output (English): 3895, 6069, 1437, g, 1809