#include "iostream"
using namespace std;

char letter[21];
char ans[21];
int j;

int main() {
	cin >> letter;
	for (int i = 20; i >= 0; i--) {
		if (letter[i] != NULL) {
			if (letter[i] == '>')ans[j++] = '<';
			else ans[j++] = '>';
		}
	}
	cout << ans << "\n";
}