#include "stdafx.h"
# include <stdio.h>
# include <math.h>

int main() {

    int a, b, c;
    printf("a= ");
    scanf_s(" %d", &a);
    printf("b= ");
    scanf_s(" %d", &b);
    printf("c= ");
    scanf_s(" %d", &c);


    if (a == 0 && b == 0)
    {
        return 0;
    }
    else
    {
        if (a == 0)
        {
            int x;
            x = -c / b;
            return 0;
        }
        else if (a>0)
        {
            if (c==0)
            {
                int x1;
                int x2;
                x1 = -b / a;
                x2 = 0;
                return 0;
            }
            else if (c>0)
            {
                int re;
                int d;
                int im;
                re = b / (2 * a);
                 int sqrt(b);
                 int fabs(b);
                d = b * b - (4 * a * c);
                im = abs(d) / (2 * a);
                if (d>0)
                {
                    int x1;
                    int x2;
                    x1 = re + im;
                    x2 = re - im;
                    return 0 ;
                }
                else if (d<0)
                {
                    printf_s("%d %d", re, im);
                    printf_s("%d %d", re, -im);
                }
                else
                {
                    int x1;
                    int x2;
                    x1 = re;
                    x2 = x1;

                }
            }
        }
    }

    return 0;
}