Task: Program Execution
Input (English): M, t, r, 8269, 8209, B, j, I, E, e, A, 4229, y, 3191, Y, F, q, S, t, 7563, 1861, z, 9797, 9813
Output (English): M, t, r, B, j, I, E, e, A, y, Y, F, q, S, t, z