can someone help me to answer this also this is c++ langauge

Assume that the code run successfully and all files are exist. Please complete the following code so a number in infile.txt is read and wrote to the file outfile.txt #include int main() { using namespace std; ifstream inStream; outstream outStream; inStream.open("infile.txt"); outStream. ("outfile.txt"); int number; inStream number; outStream