Task: Program Execution
Input (English): 9751, 5317, r, I, 2055, k, 8043, N, i, 6991, W, K, 149, v, v, 6599, i, 2171, t, 2717, 7263
Output (English): 1, 2, 5, 7, 10, 13, 16, 18, 20, 21