Task: Program Execution
Input (English): w J 1945 7271 8713 5101 U 7711 a 7997 w U 6335 Z x S 4405 3347 1285 k i l 4175 8057 6919 4529 E b z
Output (English): 1, 2, 7, 9, 11, 12, 14, 15, 16, 20, 21, 22, 27, 28, 29