#include <bits/stdc++.h>
using namespace std;

int main() {
    int a, b, p1 =2, p2 =2;
    cin >> a >> b;

    if(a<=295) p1 = 0;
    else if (a<=416) p1 = 1;
    if(b<=295) p2 = 0;
    else if (b<=416) p2 = 1;

    cout << p2 - p1 << endl;

    return 0;
}