#include <stdio.h>
#include <algorithm>
using namespace std;
using ll = long long;

//400
int main() {
	char s[21] = { 0 };
	scanf("%s", s);
	for (int i = 19; 0 <= i; i--)
		if (s[i] != 0)
			printf("%c", s[i] != '<' ? '<' : '>');
	printf("\n");
}