Task: Program Execution
Input (English): 2547 J H V D 4543 2753 4213 J k 3427 3901 5179 h U 9137 7631 N a N 2713 4279 t m 6477 503
Output (English): J, H, V, D, J, k, h, U, N, a, N, t, m, 2547, 4543, 2753, 4213, 3427, 3901, 5179, 9137, 7631, 2713, 4279, 6477, 503