#include<stdio.h>
#include<math.h>



int calc_discriminant(int a,int b,int c){
int discriminant;
discriminant=(pow(b,2)+(-1*4*a*c));
return discriminant;
}


main(){
int a=0,b,c,d;
while(a==0){
        printf("Enter a: ");
        scanf("%d",&a);
}
printf("Enter b: ");
scanf("%d",&b);
printf("Enter c: ");
scanf("%d",&c);
d=calc_discriminant(a,b,c);
printf("The discriminant is %d",d);