Task: Program Execution
Input (English): 6211, 5553, r, 1943, A, 2741, 1667, 7805, t, c, J, i, 2521, A, 4375, 709, 8705, k, J, N, W, n, Y
Output (English): 1, 2, 4, 6, 7, 8, 13, 15, 16, 17