Task: Program Execution
Input (English): [989, 933, 821, 509, 322, 142, 452, 534, 821, 61, 443, 72, 535, 673, 883, 576, 874, 816, 13, 816]
Output (English): [821, 509, 821, 61, 443, 673, 883, 13]