Task: Program Execution
Input (English): a, 7411, 97, x, n, 2299, u, x, 13, g, z, 7669, b, x, 3699, 5313, i, h, m, 5761, j, c, 2535
Output (English): a, b, c, g, h, i, j, m, n, u, x, z