Task: Program Execution
Input (English): 4843, T, 6921, 1415, f, 2551, A, F, 1261, a, n, 7717, 6449, 1063, 745, 3477, 1859, 1653, 1351, 4461
Output (English): 1, 3, 4, 6, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20