int main(){
int a,b,c;
int s,m,n;
scanf("%d,%d",&a,&b);
while (a>0 && b>0) {
if (a>b) a%=b; else b%=a;
}
printf("%d\n",s=a+b);
scanf("%d,%d",&b,&c);
while(b>0 && c>0) {
if (b>c) b%=c; else c%=b;
}
printf("%d\n",m=b+c);
scanf("%d,%d",&a,&c);
while(a>0 && c>0){
if (a>c) a%=c; else c%=a;
}
printf("%d\n",n=a+c);
}
scanf("%d,%d,%d",&s,&m,&n);
if (s<=m) {
if (m<=n) {
printf("max=%d\n", n);
} else {
printf("max=%d\n", m);
}
} else {
if (s<=n) {
printf("max=%d\n", c);
} else {
printf("max=%d\n", a);
}
}
return 0;
}