What is the output of the following C++ program?

#include

using namespace std;

int main()

{

int x = 3, y = 7;

cout << x++ << << --y<

int z = 6;

cout << x++ + --y - z-- << endl;

cout << ++x + y-- + z++ << endl;

if (z == y)

cout << z * y - ++x << endl;

else

cout << z * x + --y << endl;

cout << z << x << y << endl;

return 0;

}