#include<stdio.h>
#include<math.h>
int main(){
    int a,b,c;
    scanf("%d %d %d", &a
, &b 
, &c
);     if (a==0){
        if (b==0){
            if (c==0){
            else {
        }
        else {
            printf("%.2f\n", -(float)c
/b
);}             }
    else {
        float denta;
        denta= b*b - 4*a*c;
        if (denta < 0) {
        else if ( denta == 0){
            printf("%.2f\n", - (float) b
/(2*a
));}         else {
            float x1, x2;
            x1 
= ( -b 
+ sqrt(denta
)) / (2 * a
);            x2 
= ( -b 
- sqrt(denta
)) / (2 * a
);            printf("%.2f %.2f\n", x1
,x2
);}         }
    return 0;
}
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