int f1( i: int )
{
	return f2( i + 1 ) + 1
}

int f2( i: int )
{
	if i < 10 
		return f1( i + 1 ) + 1
	else
		return i
}

print( "f1() = [$f1(0)]\n" )
##### EXP #####
f1() = 22