#include <stdio.h>
int main(void) {
int score;
if(101>score && 89<score){
}
else if(90>score && 79<score){
}
else if(80>score && 69<score){
}
else if(70>score && 59<score){
}
else{
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CglpbnQgc2NvcmU7CglzY2FuZigiJWQiLCZzY29yZSk7CgkKCWlmKDEwMT5zY29yZSAmJiA4OTxzY29yZSl7CgkJcHJpbnRmKCJBIik7Cgl9CgllbHNlIGlmKDkwPnNjb3JlICYmIDc5PHNjb3JlKXsKCQlwcmludGYoIkIiKTsKCX0KCWVsc2UgaWYoODA+c2NvcmUgJiYgNjk8c2NvcmUpewoJCXByaW50ZigiQyIpOwoJfQoJZWxzZSBpZig3MD5zY29yZSAmJiA1OTxzY29yZSl7CgkJcHJpbnRmKCJEIik7Cgl9CgllbHNlewoJCXByaW50ZigiRiIpOwoJfQoJcmV0dXJuIDA7Cn0K