public static void main(String[] args) {
int count = 0;
for (int i = 1; i < 100; i++) {
if(i % 10 == 9) {
count++;
}else if(i / 10 == 9) {
count++;
}
}
System.out.println(count);
}
public static void main(String[] args) {
int count = 0;
for (int i = 1; i < 100; i++) {
if(i % 10 == 9) {
count++;
}else if(i / 10 == 9) {
count++;
}
}
System.out.println(count);
}