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

int main() {
    int L, R;
    cin >> L >> R;
    int cntl = 0, cntr = 0;
    if (L <= 295)
        cntl = 2;
    else if (L <= 416)
        cntl = 1;
    else
        cntl = 0;
    if (R >= 420)
        cntr = 2;
    else if (R >= 296)
        cntr = 1;
    else
        cntr = 0;
    cout << min(cntl, cntr) << '\n';
}