#include <cstdio>
struct Point{
int x, y, z, r;
};
Point a, b;
void input()
{
scanf("%d %d %d %d", &a.x, &a.y, &a.z, &a.r);
scanf("%d %d %d %d", &b.x, &b.y, &b.z, &b.r);
}
int main()
{
input();
if((a.x-b.x)*(a.x-b.x)+(a.y-b.y)*(a.y-b.y)+(a.z-b.z)*(a.z-b.z)<=(a.r+b.r)*(a.r+b.r)) printf("overlapped\n");
else printf("not overlapped\n");
return 0;
}
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