using System.Net;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Primitives;

public static int kyljeRuut(int p1x, int p1y, int p2x, int p2y){
    int dx=p2x-p1x;
    int dy=p2y-p1y;
    return dx*dx+dy*dy;
}

public static async Task<IActionResult> Run(HttpRequest req, ILogger log)
{
        int x1=int.Parse(req.Query["x1"]);
        int y1=int.Parse(req.Query["y1"]);
        int x2=int.Parse(req.Query["x2"]);
        int y2=int.Parse(req.Query["y2"]);
        int x3=int.Parse(req.Query["x3"]);
        int y3=int.Parse(req.Query["y3"]);
        int k1=kyljeRuut(x1, y1, x2, y2);
        int k2=kyljeRuut(x2, y2, x3, y3);
        int k3=kyljeRuut(x3, y3, x1, y1);
        int pikim=k1; int lyhem1=k2; int lyhem2=k3;
        if(k2>pikim){pikim=k2; lyhem1=k1;}
        if(k3>pikim){pikim=k3; lyhem1=k1; lyhem2=k2;}
        if(pikim==lyhem1+lyhem2){return new OkObjectResult("täisnurk");}
        if(pikim<lyhem1+lyhem2){return new OkObjectResult("teravnurk");}
        if(pikim>lyhem1+lyhem2){return new OkObjectResult("nürinurk");}
        return new OkObjectResult("xxx");
}