// C=5×(F−32)÷9
#include <bits/stdc++.h>
using namespace std;

int main(){
    double a,b,c;
    cin>>a>>b>>c;
    if(b*b-4*a*c<0) {cout<<"No answer!";return 0;}
    double x1=(sqrt(b*b-4*a*c)-b)/(2*a),x2=(0-b-sqrt(b*b-4*a*c))/(2*a);
    if(x1>x2){
        printf("x1=%.5lf;x2=%.5lf",x2,x1);
    }
    else if(x1==x2){
        printf("x1=x2=%.5lf",x1);
    }
    else if(x1<x2){
        printf("x1=%.5lf;x2=%.5lf",x1,x2);
    }
    return 0;
}