Task: Program Execution
Input (English): RVgQujmgAnAlbyiPyQkKjtgjYfEwQLpnmArEytqH, DLyiPyQkKjtgjYfEwDfGM
Output (English): a, b, e, f, g, h, i, j, k, l, m, n, p, q, r, t, u, v, w, y