Task: Program Execution
Input (English): 5831 E 8045 1851 G 3269 H P r 7439 1967 535 p C p 2101 o P b d P D 3893 u 2345 Z
Output (English): 2, 5, 7, 8, 9, 13, 14, 15, 17, 18, 19, 20, 21, 22, 24, 26