Task: Program Execution
Input (English): O 1649 4997 9969 P 8637 O Q 9491 6235 c t e e u Q 7721 6855 N 8795 6239 4353 5525 d a
Output (English): O, P, O, Q, c, t, e, e, u, Q, N, d, a, 1649, 4997, 9969, 8637, 9491, 6235, 7721, 6855, 8795, 6239, 4353, 5525