Task: Program Execution
Input (English): 18, ['8449', '9857', '3657', '6591', '7979', 'Y', 's', '1513', '4423', '223', 'e', '5561', '4063', 'F', '5229', '1985', 'n', 'M', '4293', '9659', '6671', 'b', 'u', '3273', 'm', '9309', '8737', 'l', 'X', 'o', 'z', 'N', 'a', '249', 't', '6505', 'j']
Output (English): 8449, 4293, j