import java.util.*;
import java.lang.*;
import java.io.*;

class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner in = new Scanner(System.in);
		int n = Integer.parseInt(in.next());
		char[] tape = new char[n];
		for (int i = 0; i < n; i++)
			tape[i] = 0;
		int pointer = 0;
		String program = in.next();
		for (int i = 0; i < program.length(); i++) {
			if (program.charAt(i) == '>')
				pointer++;
			if (program.charAt(i) == '<')
				pointer--;
			if (program.charAt(i) == '+')
				tape[pointer]++;
			if (program.charAt(i) == '-')
				tape[pointer]--;
			if (program.charAt(i) == '.')
				System.out.print(tape[pointer]);
			if (program.charAt(i) == ',')
				tape[pointer] = (char) System.in.read();
			
			if (program.charAt(i) == '[') {
				if (tape[pointer] == 0) {
					int counter = 1;
					while (counter > 0) {
						i++;
						if (program.charAt(i) == '[')
							counter++;
						if (program.charAt(i) == ']')
							counter--;
					}
				}
	        }
	        else if (program.charAt(i) == ']') {
				if (tape[pointer] != 0) {
					int counter = 1;
					while (counter > 0) {
						i--;
						if (program.charAt(i) == '[')
							counter--;
						if (program.charAt(i) == ']')
							counter++;
					}
				}
	        }
		}
	}
}