size(300,300);

background(0,170,0);

//house
fill(0);
triangle(30, 70, 60, 20, 90, 70);
rect(40, 70, 40, 40); 
rect(40*2, 70*2, 40*2, 40*2);
rect(40*3, 70*3, 40*3, 40*3);
rect(40*4, 70*4, 40*4, 40*4);
rect(40*5, 70*5, 40*5, 40*5);
rect(40*6, 70*6, 40*6, 40*6);
rect(40*7, 70*7, 40*7, 40*7);
rect(40*8, 70*8, 40*8, 40*8);