Task: Program Execution
Input (English): x, H, c, F, 5027, 341, U, a, 4787, 365, 2211, H, u, x, 2243, 3237, D, 8067, l, h, 5665
Output (English): 1, 2, 3, 4, 7, 8, 12, 13, 14, 17, 19, 20