Task: Program Execution
Input (English): t Z 1209 4619 1523 r z 33 I X W Z j 259 i B G 9979 8583 h 403 4813 6815 9407 1309 9495 1985 4499 8917 3301 1987
Output (English): 1, 2, 6, 7, 9, 10, 11, 12, 13, 15, 16, 17, 20