#!/usr/bin/env python
#coding:UTF-8

#入力値の受け取り
S = raw_input()

#文字数計算
SL = len(S)

S2 = []
#反転処理
for i in range(0,SL):
     if S[i] == "<":
          S2.append(">")
     else:
          S2.append("<")

print "".join(S2)