Task: Program Execution
Input (English): K, I, 6759, 1995, 4269, 3189, O, z, 4163, u, o, 7821, 1729, y, t, W, 8791, V, 4477, J
Output (English): 1, 2, 7, 8, 10, 11, 14, 15, 16, 18, 20