#include <bits/stdc++.h>
#define int long long
using namespace std;

signed main(){
  string S;
  cin >> S;
  
  string ans = "";
  for( int i = 0; i < S.size(); i++ ){
    if( S.at(i) == '>' ) ans = '<'+ans;
    else ans = '>'+ans;
  }
  cout << ans << endl;
}