#include <iostream>
#include <cstdio>
#include <cmath>

using namespace std;

struct punct{int x, y, dmax;};
punct V[1005];
int dp[2][1005];

double dist (punct A, punct B) {
    return sqrt((A.x - B.x) * (A.x - B.x) + (A.y - B.y) * (A.y - B.y));
}

double arie (punct A, punct B, punct C) {
    return dist(A, C) * B.dmax / 2;
}
    int main()
{
    freopen("mosia.in", "r", stdin);
    freopen("mosia.out", "w", stdout);
    int n;
    scanf("%d", &n);
    return 0;
}