Task: Program Execution
Input (English): c 5647 4271 9479 l 1065 9351 p o t n s i v 191 p 4613 q g z u 1477 1269 i g r 747 w a r 5491
Output (English): a, c, g, i, l, n, o, p, q, r, s, t, u, v, w, z