n = 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991

i = gets.chomp.to_i

s = (n * i).to_s
print (s.size > 190 ? s[0..s.size-191] : "0")
print "."
puts s[s.size-190..-1]