import java.util.Scanner;
import static java.lang.String.format;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int N = Integer.parseInt(scanner.nextLine());
        int b = 0;
        StringBuilder result = new StringBuilder();

        for (int i = 0; i < N; i++) {
            int a = Integer.parseInt(scanner.nextLine());
            if (i == 0) {
                result.append(format("%d", a));
                b = a;
            } else {

                if (a > b) {
                    result.append(format("<%d", a));
                    b = a;
                } else if (a == b) {
                    result.append(format("=%d", a));
                } else {
                    result.append(format(">%d", a));
                    b = a;
                }
            }
        }
        System.out.println(result);
    }
}