Task: Program Execution
Input (English): QIgHSkqsZsiRZrHLmDORDhkhMpVTNGeH, ULKZHLmDORDhkhMpVTYNYDrpmolFwot
Output (English): d, e, g, h, i, k, l, m, n, o, p, q, r, s, t, v, z