What would this look like in c++ code?

Write a C++ program that reads three numbers from the keyboard, calculates the squares of each of those numbers and outputs the result to a file called squares.txt.

What would this look like in c++ code?
#include %26lt;fstream%26gt;


using namespace std;


int main() {


int a, b, c;


cin %26gt;%26gt; a %26gt;%26gt; b %26gt;%26gt; c;


a = a * a; b = b * b; c = c * c;


ofstream outfile ("squares.txt");


outfile.write (a);


outfile.write (' ');


outfile.write (b);


outfile.write (' ');


outfile.write (c);


outfile.close();


}