Task: Program Execution
Input (English): f, 4191, 7943, n, 8081, 3479, 475, 1317, 3805, v, U, 7541, w, 7543, N, 8981, l
Output (English): 4191, 7943, 8081, 3479, 475, 1317, 3805, 7541, 7543, 8981