Task: Program Execution
Input (English): 3, ['1267', '2157', 'D', 'u', '5449', 'p', 'Q', '3803', '713', '5879', '8517', 'y', '3257', 'z', 'W', 'O', '519', 'e', '7385', '3963', 'W', 'r', '5815', 'p', '9891', 'y']
Output (English): 1267, 2157, D