Task: Program Execution
Input (English): 2473, F, 979, 2265, 995, 3341, 6897, 9867, 291, 2285, 143, 3883, 2331, V, 3733, Q
Output (English): F, V, Q, 2473, 979, 2265, 995, 3341, 6897, 9867, 291, 2285, 143, 3883, 2331, 3733