Task: Program Execution
Input (English): 3153 5453 1611 2807 A N d 6381 u v 6827 4685 c r 7415 6793 r e b l x 2727 S c B b m 9315
Output (English): 5, 6, 7, 9, 10, 13, 14, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27