9
1000000000000000000000000000000000000000% luôn đó
9
mình cá chắc 100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000% là mình dúng