Task: Program Execution
Input (English): 9783 U r 2171 i I 5895 X V 2333 f 8017 p M Z 5351 1051 b 1471 6427 o 9167 i k v 5025 8193 9873 9285 2595 w 6843 9353 L f 6133 4937 I r 8997
Output (English): 2, 3, 5, 6, 8, 9, 11, 13, 14, 15, 18, 21, 23, 24, 25, 31, 34, 35, 38, 39