Task: Program Execution
Input (English): 1673 4363 5643 q 695 2545 4911 8601 8309 6317 4621 u W 2353 6335 w 4343 G 2353 227 G 7729 3385 d 1823 x m s
Output (English): 4, 12, 13, 16, 18, 21, 24, 26, 27, 28