Task: Program Execution
Input (English): 6303, o, 2415, q, 4805, X, E, n, 2409, 2001, 6023, 9813, I, E, 1347, 1001, U, 9255, u, R, 4689, 3349, 8399
Output (English): o, q, X, E, n, I, E, U, u, R, 6303, 2415, 4805, 2409, 2001, 6023, 9813, 1347, 1001, 9255, 4689, 3349, 8399