Task: Program Execution
Input (English): F, 3129, f, 3491, 7759, 821, 1851, 6409, l, U, 9741, T, t, h, 81, 6469, b, T, I
Output (English): 6, 3129, 6, 3491, 7759, 821, 1851, 6409, 12, 21, 9741, 20, 20, 8, 81, 6469, 2, 20, 9