Task: Program Execution
Input (English): jibjXfJURgbpYJVnkKQZUQnOpaoEdYQMMgXexX, DartVSODdqbpYJVnkKQZUQnOprStTXLRTIgDg
Output (English): a, b, d, e, f, g, i, j, k, m, n, o, p, q, r, u, v, x, y, z