#include #include using namespace std; int gcd[305][305]; int GCD(int a,int b) { return b==0?a:GCD(b,a%b); } int n,m; int a,b,c,res; int main() { #ifdef local freopen("pro.in","r",stdin); #endif for(int i=0;i<=300;i++) for(int j=0;j<=300;j++) gcd[i][j]=GCD(i,j); while(scanf("%d%d",&n,&m)==2&&n&&m) { res=0; for(a=1;a<=m;a++) for(b=1;b<=n;b++) if(gcd[a][b]==1) { c=max(0,m-2*a)*max(0,n-2*b); res+=(m-a)*(n-b)-c; } printf("%d\n",res*2); } return 0; }