#include <iostream>
#include <cmath>
using namespace std;
int main() 
{
    float a,b,c,x1,x2;
    cin>>a>>b>>c;
    x1=(-b+sqrt(b*b-4*a*c))/(2*a);
    x2=(-b-sqrt(b*b+4*a*c))/(2*a);
    cout<<"x1="<<x1<<endl;
    cout<<"x2="<<x2<<ebdl;
    return 0;

    //JSRUN引擎2.0，支持多达30种语言在线运行，全仿真在线交互输入输出。 
	
}