$h{"0 0"}=1;for(0..2){($x,$y)=/\S+/g,
map$h{$_}=1,
($x-2).$".($y-1),
($x-2).$".($y+1),
($x-1).$".($y-2),
($x-1).$".($y+2),
($x+1).$".($y-2),
($x+1).$".($y+2),
($x+2).$".($y-1),
($x+2).$".($y+1) for keys%h}
($x,$y)=<>=~/\d+/g;
print$h{"$x $y"}?YES:NO