Task: Program Execution
Input (English): 4995 X 9287 4419 A L B 235 6739 5615 a e d 4501 7975 T 3697 539 1447 m 4417 C t e 5463
Output (English): 1, 3, 4, 8, 9, 10, 14, 15, 17, 18, 19, 21, 25