#include#includeint main(){ float a,b,c; scanf("%f%f%f", &a, &b, &c); if(b*b - 4*a*c < 0 ) printf("NO\n"); else printf("%.2f %.2f",(-b-sqrt(b*b-4*a*c))/(2*a), (-b+sqrt(b*b-4*a*c))/(2*a)) ; return 0; }
