#include<stdio.h>
inline int gcd ( int a, int b)
{
    int r;
    while(b)
        {
            r=a%b;
            a=b;
            b=r;
        }
    return a;
}

int main()
{
    freopen("mins.in","r",stdin);
    freopen("mins.out","w",stdout);
    int res,x,y,c,d,i,j;
    scanf("%d%d",&c,&d);
    res=0;
    for(x=1;x<c;x++)
        for(y=1;y<d;y++)
                if(gcd(x,y)==1)
                    res++;
    printf("%d",res);
    return 0;
}