Task: Program Execution
Input (English): RImZqktUMhHGovtXydvSmwYESnXuV, FRZmfEXiiLwnGovtXydvSmwYyjKRtP
Output (English): d, e, f, g, i, j, k, l, m, n, o, p, r, s, t, v, w, x, y, z