Task: Program Execution
Input (English): 1, 10, ['1557', '2715', '2399', '5871', 'N', 'W', '9081', '3917', '4985', 'q', '1033', '4741', '2263', 'B', 'R', '8725', '885', 'i', '7943', 'f', 'V', 'S', '9007', 'k', 't', 'P', 'x', '7137', '9893', '1643']
Output (English): 1557, 1033, V