Task: Program Execution
Input (English): k X 7321 3461 6225 4373 I 3407 u 9057 2333 n w x 7153 m o 4483 113 2719 849 N 729 q 4127 r 4491
Output (English): 3, 4, 5, 6, 8, 10, 11, 15, 18, 19, 20, 21, 23, 25, 27