Task: Program Execution
Input (English): 1893, 5405, 3913, 6381, 2975, 875, 4833, 621, 4485, f, 237, 6273, 9947, 7433, 9551, b, 821, 5095, v, H, 8085, r, F, 8607
Output (English): f, b, v, H, r, F, 1893, 5405, 3913, 6381, 2975, 875, 4833, 621, 4485, 237, 6273, 9947, 7433, 9551, 821, 5095, 8085, 8607