Task: Program Execution
Input (English): H o C 9059 9805 A 3031 1715 5917 5543 x 4873 4639 3687 7521 m z e X 5859 7249 Y 4161 M V
Output (English): 4, 5, 7, 8, 9, 10, 12, 13, 14, 15, 20, 21, 23