Task: Program Execution
Input (English): 1575, U, 7373, 5149, 2561, u, 4791, s, 2987, L, J, 9381, J, 9481, z, 665, w, 497, 2497, b, o, P
Output (English): 1575, 7373, 5149, 2561, 4791, 2987, 9381, 9481, 665, 497, 2497