Task: Program Execution
Input (English): 475 151 743 x E 7507 h b d 1357 7129 9281 u 3149 R I 6135 I O E t K w G A 8059 1971
Output (English): 4, 5, 7, 8, 9, 13, 15, 16, 18, 19, 20, 21, 22, 23, 24, 25