Task: Program Execution
Input (English): 1, 7, ['2569', '5563', '6193', '3087', '9211', '4543', '5915', '6671', 'r', 'z', '2773', '4571', '3795', '1847', '5591', '6331', 'u', '7513', '7715']
Output (English): 5915, 4543, 9211, 3087, 6193, 5563, 2569