#include <iostream>
#include <stack>
using namespace std;
int main(void){
    char c;
    stack<char> s;
    while(cin>>c) s.push(c);
    while(!s.empty()){
        switch(s.top()){
            case '>':
                putchar('<');
                break;
            case '<':
                putchar('>');
                break;
        }
        s.pop();
    }
    return 0;
}