#include <stdio.h>

int main(){

int a;

int b;

int c;

int D;

while(scanf("%d%d%d",&a,&b,&c)!=EOF)

{

D=(b*b)-(4*a*c);

if (a != 0)

{

if (D>0)

{

printf("Two different roots x1=%d , x2=%d\n",(-b+D^(1/2))/(2*a),(-b-D^(1/2))/(2*a));

}

if (D==0)

{

printf("Two same roots x=%d\n",-b/(2*a));

}

if (D<0)

{

printf("No real root\n");

}

}

}

return 0 ;

}

挫<<<這裡