Task: Program Execution
Input (English): S, 2605, G, 7767, y, i, 5171, 9085, k, 7727, 991, e, 1729, u, y, W, 7605, f, f, r, L, 5893, 3451
Output (English): 2, 4, 7, 8, 10, 11, 13, 17, 22, 23