#include<stdio.h>
int total(int , int , int );
int main()
{
{
int x,y,z;
printf("enter three numbers");
scanf("%d%d%d", &x, &y, &z );
}
{
int total(int a, int b, int c);
float Q;
int a,b,c;
if(a<0)
printf("error");
else if (b<0)
printf("error");
else if (c<0)
printf("error");
else
Q = (0.33*a*a*a+2*b*b-4*a*c);
return Q;
}
}