Task: Program Execution
Input (English): 8, ['3457', '4925', 'K', '4729', '1811', 'V', '7821', '1551', 'x', '2331', '1783', 'Y', '1167', '7639', 'D', 'X', '5403']
Output (English): 3457, 4925, K, 4729, 1811, V, 7821, 1551, x