Task: Program Execution
Input (English): XIjRfXBTYtSusYSEmETQYnEjCPqUkMhrwKj, mjagiTibDcNkjYSEmETQYnEjCPCQRWHYymbAshN
Output (English): a, b, c, d, e, g, h, i, j, k, m, n, p, q, r, s, t, w, y