Task: Program Execution
Input (English): 6419 c Z v d 4159 U 4049 6217 I 5129 7015 8037 6873 723 v T g 6619 1321 j h M 5145 M e
Output (English): 2, 3, 4, 5, 7, 10, 16, 17, 18, 21, 22, 23, 25, 26