Task: Program Execution
Input (English): C O 7613 Q 8429 1307 5175 7959 7567 h Y X n M 2523 p 3943 6881 9401 X a E o C 4463
Output (English): 1, 2, 4, 10, 11, 12, 13, 14, 16, 20, 21, 22, 23, 24