Task: Program Execution
Input (English): j, 6881, 3707, m, 2893, U, s, P, 7555, 5941, w, 4379, 5653, 6469, 191, 9393, D, r, U, 3813, B, 4733
Output (English): j, m, U, s, P, w, D, r, U, B, 6881, 3707, 2893, 7555, 5941, 4379, 5653, 6469, 191, 9393, 3813, 4733