import java.util.Scanner;

public class FireArrows {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.nextLine());
        String line = sc.nextLine();
        char[][] matrix = new char[n][line.length()];
        for (int row = 0; row < n; row++) {
            for (int col = 0; col < line.length(); col++) {
                matrix[row][col] = line.charAt(col);
            }
            if(row<n-1) {
                line = sc.nextLine();
            }
        }
        boolean moved = true;
        while (moved) {
            moved = false;
            for (int row = 0; row < matrix.length; row++) {
                for (int col = 0; col < matrix[row].length; col++) {
                    char current = matrix[row][col];
                    switch (current) {
                        case 'v':
                            if (row != matrix.length - 1) {
                                if (matrix[row + 1][col] == 'o') {
                                    matrix[row + 1][col] = 'v';
                                    matrix[row][col] = 'o';
                                    moved = true;
                                }
                            }
                            break;
                        case '^':
                            if (row != 0) {
                                if (matrix[row - 1][col] == 'o') {
                                    matrix[row - 1][col] = '^';
                                    matrix[row][col] = 'o';
                                    moved = true;
                                }
                            }
                            break;
                        case '<':
                            if (col != 0) {
                                if (matrix[row][col - 1] == 'o') {
                                    matrix[row][col - 1] = '<';
                                    matrix[row][col] = 'o';
                                    moved = true;
                                }
                            }
                            break;
                        case '>':
                            if (col != matrix[0].length - 1) {
                                if (matrix[row][col + 1] == 'o') {
                                    matrix[row][col + 1] = '>';
                                    matrix[row][col] = 'o';
                                    col++;
                                    moved = true;
                                }
                            }
                            break;
                    }
                }
            }
        }

        for (char[] row : matrix) {
            for (char col : row) {
                System.out.print("" + col);
            }
            System.out.println();
        }
    }
}