#include <iostream>
#include <string>
using namespace std;

#define MIN(a,b) ((a)<(b)?(a):(b))
#define MAX(a,b) ((a)>(b)?(a):(b))

int main()
{
	string S;
	cin >> S;
	for (int i = S.size() - 1; i >= 0; i--) {
		cout << (S[i] & 2 ? '<' : '>');
	}
	cout << endl;
	return 0;
}