#include <iostream>
#include <cstdlib>
using namespace std;

/*
Flag of USA.
Download, compile, and run it like this:

cd
wget https://markmeretzky.com/fordham/1600/src/if/usa.C
compile usa.C
usa | /usr/bin/pnmtopng > public_html/usa.png

Then point your web browser at
https://storm.cis.fordham.edu/~jsmith/usa.png
*/

int main()
{
	const int stripeHeight {10};         //height of each stripe in pixels
        const int nrows {13 * stripeHeight}; //height of entire flag in pixels
        const int ncols {nrows * 19 / 10};   //width of entire flag in pixels

        cout << "P3\n"
                << ncols << " " << nrows << "\n"
                << 255 << "\n";

        for (int row {0}; row < nrows; ++row) {
                for (int col {0}; col < ncols; ++col) {
			if (row < 7 * stripeHeight && col < ncols * 2 / 5) {
                                cout << "10 49 97\n";    //blue union jack
			} else if (row % (2 * stripeHeight) < stripeHeight) {
                                cout << "99 25 66\n";    //red stripe
			} else {
                                cout << "255 255 255\n"; //white stripe
			}
                }
        }

        return EXIT_SUCCESS;
}