int a = fac(3);
int b = fib(2);
int c = func(a,b);

print a;
print b;
print c;

if (boolfunc(b,c)) print true;

int fac(int n){
	n++;
	int sum = 1;
	while (n-- > 1) sum = sum * n;
	return sum;
}

int fib(int n){
	if (n < 2) return 1;

	return (fib(n-1)+fib(n-2));
}

int func(int a, int b){
	return (a+b);
}

bool boolfunc(int a, int b){
	return (a == b);
}