Task: Program Execution
Input (English): 4, ['3909', '551', 'x', 'a', '4219', '2003', 'E', 'd', '4295', 'C', '9385', 'O', 't', 'S', 'U', 'j', '7193', 'N', 'S', 'm', '9301', '8791', 'G', '6919', '9923']
Output (English): 3909, 4219, 4295, t, 7193, 9301, 9923