Task: Program Execution
Input (English): d, 4979, E, 1171, D, h, 1697, 547, W, x, w, 5361, 5461, 9715, 2307, f, N, O, x, Y, 5043, I, n, z
Output (English): d, E, D, h, W, x, w, f, N, O, x, Y, I, n, z, 4979, 1171, 1697, 547, 5361, 5461, 9715, 2307, 5043