#include <iostream>
#include <string>
#include <algorithm>
using namespace std;
bool ir(int num1, int num2) {
	string s1 = to_string(num1);
	string s2 = to_string(num2);
	int len = s1.length();
	for (int i = 1; i < len; ++i) {
		string rs1 = s1.substr(i) + s1.substr(0, i);
		if (rs1 == s2) {
			return true;
		}
	}
	return false;
}

int main() {
	int A, B;
	cin >> A >> B;
	int count = 0;
	for (int n = A; n <= B; ++n) {
		for (int m = n; m <= B; ++m) {
			if (ir(n, m)) {
				count++;
			}
		}
	}
	cout << count << endl;
	return 0;
}

......