print((function (s)
	local a,b,c = tonumber(s:sub(1,1)),tonumber(s:sub(2,2))+(4<tonumber(s:sub(3,3)) and 1 or 0),#s-1
	if b == 10 then a,b = a+1,0 end
	if a == 10 then a,c = 1,c+1 end
	return string.format("%d.%d*10^%d",a,b,c)
end)(io.stdin:read("*l")))