Task: Program Execution
Input (English): 6731, 2997, 9369, l, U, h, A, 6611, 815, 3903, B, 9241, H, b, 2607
Output (English): 6731, 2997, 9369, 12, 21, 8, 1, 6611, 815, 3903, 2, 9241, 8, 2, 2607