Task: Program Execution
Input (English): 5589 4201 B i 4087 1921 1175 A 6181 1049 3347 Y r 1091 m a 8433 w T 4551 3511 7793 Z B 6263 M 9757 4543
Output (English): 1, 2, 5, 6, 7, 9, 10, 11, 14, 17, 20, 21, 22, 25, 27, 28