#!/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)

#反転処理
for i in range(0,SL - 1):
     if S[i] == "<":
          S[i] = ">"
     elif S[i] == ">":
          S[i] = "<"

print S