#yuki_303

def mul(a,b):
 return [a[0]*b[0]+a[1]*b[2],
         a[0]*b[1]+a[1]*b[3],
         a[2]*b[0]+a[3]*b[2],
         a[2]*b[1]+a[3]*b[3]]

def fib(n):
 if n<=1:
  return n
 res=[1, 0, 0, 1]
 mx =[1, 1, 1, 0]
 while n>0:
  if n%2:
   res=mul(mx, res)
  mx=mul(mx, mx)
  n/=2
 return res[2]

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