Task: Program Execution
Input (English): f, T, u, 2001, 707, 4653, 7771, r, 4065, 2851, a, A, n, 7753, 4291
Output (English): f, T, u, r, a, A, n, 2001, 707, 4653, 7771, 4065, 2851, 7753, 4291