// PR, meant to be immediate #include #include #include using namespace std; #define MAXN 200000 int main () { int n; int x[MAXN], y[MAXN]; while (1) { scanf("%d",&n); if (!n) break; assert(0 < n && n%2 && n <= MAXN); int nn = (n-1)/2; int xb, yb; for(int i=0;i xb && y[i] > yb) ss++; if (x[i] < xb && y[i] > yb || x[i] > xb && y[i] < yb) os++; } printf("%d %d\n",ss,os); } return 0; }