Task: Program Execution
Input (English): J, 2789, C, 2889, 3197, l, 803, W, 219, 5363, 1813, E, w, H, 7917, r, I, J, Z, 3661
Output (English): J, C, l, W, E, w, H, r, I, J, Z, 2789, 2889, 3197, 803, 219, 5363, 1813, 7917, 3661