switch(stan1) {
case 1: Z1=1;
	if(!tim1){ tim1=10; stan1=2; }
	else if(X1||!tim2) stan1=3; break;
case 2: Z1=0;
	if(!tim2) stan1=3; break;
	else if(!tim1){ tim1=20; stan1=1; } break;
case 3: Z1=0;
	if(!X2) stan1=1; break;
}
if(tim1) --tim1;
switch(stan2) {
case 1: Z2=1;
	if(X4){ tim3=200; stan2=2; } break;
case 2: Z2=1;
	if(X3||!tim3) stan2=3;
	else if(!X4) stan2=1; break;
case 3: Z2=0;
	if(!X4) stan2=1; break;
}
if(tim2) --tim2;