Task: Program Execution
Input (English): j 8213 6247 n 4829 929 3031 9867 k 4981 t o 5583 m 4797 2147 x k a 1513 l 4261 7537 885 b v 3661 u 6893 q
Output (English): a, b, j, k, l, m, n, o, q, t, u, v, x