Task: Program Execution
Input (English): r, f, D, 9291, i, 933, 7121, I, f, 9099, V, s, 2237, b, 9327, q, O, 4979, 1061
Output (English): r, f, D, i, I, f, V, s, b, q, O, 9291, 933, 7121, 9099, 2237, 9327, 4979, 1061