Task: Program Execution
Input (English): 4575 1949 3489 Q 3245 437 563 8419 a 7269 T 1893 q 1447 W 2593 6335 615 1235 L D 687 7889 O l 529
Output (English): 1, 2, 3, 5, 6, 7, 8, 10, 12, 14, 16, 17, 18, 19, 22, 23, 26