public static void main(String[] args) {
int sum = 0;
for (int i = 1; i <= 99999; i++) {
int tmp2 = i;
while (tmp2 != 0) {
int tmp = 0;
tmp = tmp2 % 10;
// System.out.println(tmp);
if (tmp == 8) {
sum++;
}
tmp2 /= 10;
}
}
System.out.println(sum);
}