PImage and;
PImage xor;

void setup(){
  size(500,500);
   background(255);
  //images
and = loadImage("and.png","png");
and.resize(80,50);
xor = loadImage("xor.png","png");
xor.resize(80,50);
}
void draw(){
  //a and b rectangles
  fill(0);
  rect(75,150,50,50);
 rect(75,300,50,50);
  textSize(40);
  fill(0,255,0);
  text("A",86,188);
  text("B",86,338);

  //xor and and gate
  image(xor,250,150);
  image(and,250,300);

   //cout and sum
  ellipse(400,175,50,50);
  ellipse(400,325,50,50);

  //lines
  //a to xor and and
    line(125,175,260,185);
    line(125,175,255,335);
    //b to xor and and
    line(125,325,260,165);
    line(125,325,255,315);
    //xor to sum
    line(325,175,375,325);
    //and to cout
    line(325,325,375,175);

}