auto();
a=device.width;
b=device.height;
while(true){
c=random(0,1);
sleep("1000");
if(c==0){
swipe(a/2,b/3*1,a/2,b/3*3,6000);
}else{
swipe(a/2,b/3*2,a/2,b/3*3,6000);
}
}