Task: Program Execution
Input (English): i, L, o, 4775, E, v, 7945, h, w, W, 2695, 2453, j, M, 8863, 1191, 7633, z, 1437, e, Q, 6765, t, 5985
Output (English): 1, 2, 3, 5, 6, 8, 9, 10, 13, 14, 18, 20, 21, 23