Task: Program Execution
Input (English): 1, 4, ['8451', '9675', '1405', '1789', '2979', 'F', '8235', 'z', '8099', 't', 'E', 'X', 'N', '627', '8007', 'b', 'n']
Output (English): 8451, 2979, 8099, N, n