Task: Program Execution
Input (English): 2883, 3805, x, x, k, i, 6643, 7055, x, 5517, 4685, n, 1485, 7989, 1701, 1559, s, 2121, g, h, 6653, o, 661, 7295
Output (English): g, h, i, k, n, o, s, x