Task: Program Execution
Input (English): 8973, 7513, 6487, d, R, f, n, f, 2213, g, 7599, 669, 4911, 5871, 5457, 6311, 9025, d, 5813, 3931, 801, 4155
Output (English): 4, 5, 6, 7, 8, 10, 18