int add6(int a, int b, int c, int d, int e, int f) {
  return(a+b+c+d+e+f);
}

int main(void) {

int a = 1;
int b = 2;
int c = 3;
int d = 4;
int e = 5;
int f = 6;
if (f == 6 && c == 3){
	f = 7;
}
int res;

res = add6(a,b,c,d,e,f);

return(res);
}