Task: Program Execution
Input (English): 3391 881 6875 e X L K 3955 M b s 4221 P 4595 2719 8741 j k j 75 4009 1535 3711 289 o z 2735 5063 E 2407 R 5539 u
Output (English): 4, 5, 6, 7, 9, 10, 11, 13, 17, 18, 19, 25, 26, 29, 31, 33