#include <fstream>

using namespace std;

ifstream fin("mins.in");
ofstream fout("mins.out");

int gcd(int a, int b) {
    while(b != 0) {
        int r = a % b;
        a = b;
        b = r;
    }
    return a;
}

int main() {
    int c, d;
    fin >> c >> d;
    long long int cnt = 0;
    for(int i = 1; i < c; i++) {
        for(int j = 1; j < d; j++) {
            if(gcd(i, j) == 1) {
                cnt++;
            }
        }
    }
    fout << cnt;
    return 0;
}