Task: Program Execution
Input (English): 2223, 3431, 3793, W, J, M, 8583, 1539, 2293, 9057, 6207, 5003, 3639, 8325, 9879, 4483, U, 4429
Output (English): 1, 2, 3, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18