from itertools import*
def f(s):
n=list(s);R=range(len(s)+1)
for p in permutations(R):
p=list(p)
r=[p.pop()]
t=n+p
t[::2]=n
t[1::2]=p
r="".join(map(str,r+t))
if eval(r):return r
print f("><>")
ZnJvbSBpdGVydG9vbHMgaW1wb3J0KgpkZWYgZihzKToKCW49bGlzdChzKTtSPXJhbmdlKGxlbihzKSsxKQoJZm9yIHAgaW4gcGVybXV0YXRpb25zKFIpOgoJCXA9bGlzdChwKQoJCXI9W3AucG9wKCldCgkJdD1uK3AKCQl0Wzo6Ml09bgoJCXRbMTo6Ml09cAoJCXI9IiIuam9pbihtYXAoc3RyLHIrdCkpCgkJaWYgZXZhbChyKTpyZXR1cm4gcgoKcHJpbnQgZigiPjw+Iik=