=== Program ===
function main () {
	print(fib(6));
}

function fib(n) {
	if (n == 0) {
		return 0;
	} else {
		if (n == 1) {
			return 1;
		} else {
			return (fib(n-1) + fib(n-2));
		}
	}
}
=== Output ===
Result:
null-value

Output Entity: standard-out
8