Task: Program Execution
Input (English): 4357, 2299, 6657, i, o, f, E, 2219, 1689, x, 1141, x, F, d, 4511, H, 9327, q, 6981, n, v
Output (English): 4357, 2299, 6657, 2219, 1689, 1141, 4511, 9327, 6981