#include <iostream>
#include <math.h>

using namespace std;

int main()
{
    int a,b,c,x1,x2,d;
    cout<<"a=";
    cin>>a;
    cout<<"b=";
    cin>>b;
    cout<<"c=";
    cin>>c;
    if(a==0){
        if(b==0) cout<<"Nu exista radacina"<<'\a';
        else{
        x1=(-c)/b;
        x2=x1;
        }
        cout<<"x1=x2="<<x1;
    }
    d=b*b-4*a*c;
    if(d<0) cout<<"Nu exista radacini in multimea numerelor reale"<<'\a';
    else{
    if(a!=0 && b!=0){
    x1=(-b+sqrt(d))/2*a;
    x2=(-b-sqrt(d))/2*a;
    cout<<"x1="<<x1<<" "<<"x2="<<x2;
    }
    }
    return 0;
}