Task: Program Execution
Input (English): 3, ['6815', 'R', 'd', '6767', '5719', 'n', '5809', 'a', 'S', '6851', '2161', 'n', '29', 'D', 'i', '9163', 'E', '5831', '1501', '2157', '9939']
Output (English): 6815, 6767, 5809, 6851, 29, 9163, 1501