Task: Program Execution
Input (English): 6909 9553 9539 645 i U 7163 6717 N 5723 Q 3581 D 9093 D 2135 B 2489 9649 N 5801 455 8785 y 2505 8333 2157 u A
Output (English): i, U, N, Q, D, D, B, N, y, u, A, 6909, 9553, 9539, 645, 7163, 6717, 5723, 3581, 9093, 2135, 2489, 9649, 5801, 455, 8785, 2505, 8333, 2157