Task: Program Execution
Input (English): 2279, i, 6159, e, 6895, 9847, b, 1183, b, F, 9801, 451, 6337, 7101, O, r, 7215, 1365, U, 4563
Output (English): 2, 4, 7, 9, 10, 15, 16, 19