Task: Program Execution
Input (English): 8725, C, 2127, 4319, 3117, H, 6853, z, 6713, 3915, P, J, 9267, n, 3845, 1451, i, u, 5351, 6667, 8779, 8535
Output (English): 2, 6, 8, 11, 12, 14, 17, 18