#yuki_303

def fib(n):
 if n<3:
	return 1
 n-=2
 a, b, c, d, x, y, = 1, 1, 1, 0, 1, 1
 while n>0:
	if n&1==1:
	 x,y=a*x+b*y,c*x+d*y
	a,b,c,d=a*a+b*c,b*(a+d),c*(a+d),b*c+d*d
	n/=2
 return x

l=int(raw_input())
if l==2:
 print 3
 print 'INF'
else:
 print l
 res=fib(l)
 if l%2==0:
  res-=fib(l/2)**2
 print res