function setup() {
createCanvas(400, 400);
background(220);
textSize(40)
hrac=1
}

function draw() {

line(140,175,260,175)
line(140,225,260,225)
line(175,140,175,260)
line(225,140,225,260)
}

function mouseClicked() {
if (mouseX<140 || mouseX) {return 0}
if (hrac==1) {symbol=“x“; hrac=2}
else {symbol=“o“; hrac=1}

text(symbol,mouseX-10,mouseY+10)
}