Task: Program Execution
Input (English): N, 4863, 7759, Z, 6747, 9561, 5589, 7025, s, 2119, j, 4731, u, v, 6215, 1045, 5, I, g, a
Output (English): 1, 4, 9, 11, 13, 14, 18, 19, 20