error: syntax error before "int"

Question

#include
main()
{
float x,y,z,m,n;
scanf("%f,%f,%f",&x,&y,&z);
n=(x+z)/9;
if(int(n)==n)
{
m=((x+z)/9+y)/2;
if(int(m)==m)
{
printf("%g,%g\n",m-n,7*n-z);
printf("1\n");

}
else
printf("gg\n");
}
else
printf("gg\n");
}

Answer 1