#include<stdio.h>

inline int prime(long long a,long long b)
{
    long long r;
    while(b)
    {
        r=a%b;
        a=b;
        b=r;
    }
    return a==1;
}

int main()
{
    freopen("mins.in","r",stdin);
    freopen("mins.out","w",stdout);
    long long n,m,i,j,s=0;
    scanf("%lld%lld",&n,&m);
    for(i=1;i<n;++i)
        for(j=1;j<m;++j)
            if(prime(i,j))
                ++s;

    printf("%lld\n",s);
    return 0;
}