Task: Program Execution
Input (English): 337 K 3295 3679 9789 x 6763 x A S j 7033 K 8913 375 x 1577 f 1569 6849 545 Z T V v 5541
Output (English): 1, 3, 4, 5, 7, 12, 14, 15, 17, 19, 20, 21, 26