Task: Program Execution
Input (English): 3851, w, j, 659, 6183, 1311, 9603, 9777, 6129, O, 5115, 7091, Z, 1523, 3601, U, R, 6289, 7021, p
Output (English): 2, 3, 10, 13, 16, 17, 20