#include <iostream>
 
using namespace std;
 
int main()
{
    float a, b, c, aTablica[3];
    bool bRO;
    while(cin >> a >> b >> c)
    {
        if(b + c < a || a + b < c || a + c < b)
        {
            cout << "brak" << endl;
        }
        else
        {
             if(c*c == a*a + b*b || a*a == c*c + b*b || b*b == a*a + c*c)
            {
                cout << "prostokatny" << endl;
            }
            else
            {
                aTablica[0] = (a*a - (b*b + c*c))/(-2 * b*c );
                aTablica[1] = (b*b - (a*a + c*c))/(-2 * a*c );
                aTablica[2] = (c*c - (a*a + b*b))/(-2 * a*b );
 
                for(int i = 0; i < 3; i++)
                {
                   if(aTablica[i] < 0)
                    {
                        bRO = true;
                        break;
                    }
                    else
                    {
                        bRO = false;
                    }
                }
 
                if(bRO)
                {
                    cout << "rozwartokatny" << endl;
                }
                else
                {
                    cout << "ostrokatny" << endl;
                }
 
                for(int i = 0; i < 3; i++)
                {
                    cout << aTablica[i] << endl;
                }
 
                cout << endl;
            }
        }
    }
 
    return 0;
}

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