Task: Program Execution
Input (English): 7693, 6217, 3453, k, y, w, 61, z, 3135, e, l, h, u, e, 5625, w, k, 2353, 4309, 6103, 4221, x, 5339, 8861
Output (English): e, h, k, l, u, w, x, y, z