Task: Program Execution
Input (English): n, Z, 1177, C, 3475, 2055, 2283, 6367, 7649, 4503, 3257, 143, 8829, u, 5677, 7013, 2243, 1911, F, e, F, 1943, 8699
Output (English): 1, 2, 4, 14, 19, 20, 21