s=raw_input()
m=-19**19
for i in range(len(s)):
	t=list(s[i:]+s[:i])
	for j in range(len(t)-3,-1,-1):
		if t[j].isdigit()==False and t[j+1]=="0" and t[j+2].isdigit():
			t.pop(j+1)
	while t[1].isdigit() and t[0]=="0":
		t.pop(0)
	t="".join(t)
	print t,s[i:]+s[:i],s[:i],s[i:]
	if t[0].isdigit() and t[-1].isdigit():
		m=max(m,eval(t))
print m