Task: Program Execution
Input (English): d, 2627, o, 2591, L, l, B, s, F, 1563, L, J, 6305, 6187, P, 1101, 6457, B, o, 2825, 1099, 2433, 243, 7341
Output (English): 1, 3, 5, 6, 7, 8, 9, 11, 12, 15, 18, 19