# include "bits/stdc++.h"
using namespace std;
using LL = long long;
using ULL = unsigned long long;
const double PI = acos(-1);
template<class T>constexpr T INF() { return ::std::numeric_limits<T>::max(); }
template<class T>constexpr T HINF() { return INF<T>() / 2; }
template <typename T_char>T_char TL(T_char cX) { return tolower(cX); };
template <typename T_char>T_char TU(T_char cX) { return toupper(cX); };
const int vy[] = { -1, -1, -1, 0, 1, 1, 1, 0 }, vx[] = { -1, 0, 1, 1, 1, 0, -1, -1 };
const int dx[4] = { -1,0,1,0 }, dy[4] = { 0,-1,0,1 };
int popcnt(unsigned long long n) { int cnt = 0; for (int i = 0; i < 64; i++)if ((n >> i) & 1)cnt++; return cnt; }
int d_sum(LL n) { int ret = 0; while (n > 0) { ret += n % 10; n /= 10; }return ret; }
int d_cnt(LL n) { int ret = 0; while (n > 0) { ret++; n /= 10; }return ret; }
LL gcd(LL a, LL b) { if (b == 0)return a; return gcd(b, a%b); };
LL lcm(LL a, LL b) { LL g = gcd(a, b); return a / g*b; };
# define ALL(qpqpq)           (qpqpq).begin(),(qpqpq).end()
# define UNIQUE(wpwpw)        (wpwpw).erase(unique(ALL((wpwpw))),(wpwpw).end())
# define LOWER(epepe)         transform(ALL((epepe)),(epepe).begin(),TL<char>)
# define UPPER(rprpr)         transform(ALL((rprpr)),(rprpr).begin(),TU<char>)
# define FOR(i,tptpt,ypypy)   for(LL i=(tptpt);i<(ypypy);i++)
# define REP(i,upupu)         FOR(i,0,upupu)
# define INIT                 std::ios::sync_with_stdio(false);std::cin.tie(0)
# pragma warning(disable:4996)

string a, b;

LL calc(string s) {
	LL ret = 0;
	for (int i = 0; i < s.size() - 2;i++) {
		
		if (!i) {
			if (stoll(s.substr(0, 2)) >= 12) {
				ret += pow(10, s.size() - 2);
			}
			else {
				if (stoll(s.substr(i, 2)) >= 12) {
					ret += stoll(s.substr(0, i))*pow(10, s.size() - i - 3);
				}
				else {
					ret += (stoll(s.substr(0, i))-1)*pow(10, s.size() - i - 3);
				}
			}
		}
	}
	cout << 1 << endl;
	for (int i = 1; i <= s.size(); i++) {
		if (i <= 2)ret++;
		else if (i <= s.size() - 2)ret += pow(10, s.size() - 2);
		else {
			if (s[0] == '1')break;
			if (s[s.size() - 1] == '1' || s[s.size() - 1] == '2')ret--;
			ret += stoll(s.substr(1, s.size() - 2));
		}
	}
	return ret;
}

LL calc2(string s) {
	return (s[0] == '2'&&s[s.size() - 1] == '2');
}

int main() {
	REP(i, 100) {
		cout << i << ":" << calc(to_string(i)) << endl;
	}
	cin >> a >> b;
	cout << calc(b) - calc(to_string(stoi(a)-1)) - calc2(a) << endl;
}