Task: Program Execution
Input (English): 6511, E, 2891, U, o, 4457, 5373, 2897, U, 839, D, U, B, W, 9753, w, 4781, u, 4431, 8033, g, c
Output (English): E, U, o, U, D, U, B, W, w, u, g, c