($n,$k)=glob<>;

if($n%2==0&&$k==2){
	print "Yes\n";
	for(1..$n-1){
		print $_," ",$_+1," ",$_&1?9998:-9999,"\n";
	}
	exit;
}

if($k<3||$k==$n-1){
	print "No";
	exit;
}

print "Yes\n";
print "1 2 ",-($k+1),"\n";

for(3..$k){
	print $_-1," $_  1\n";
}
for($k+1..$n){
	print "1 $_  2\n";
}