Task: Program Execution
Input (English): F, 725, r, F, 4347, 9687, 4001, P, 3459, J, 9213, Z, T, r, 269, N, 933, 9471, 5337, 2133
Output (English): 725, 4347, 9687, 4001, 3459, 9213, 269, 933, 9471, 5337, 2133