/*
 * Main.java
 *
 * Created on February 9, 2007, 1:04 AM
 *
 * Edward Martin
 * Verify That All Parentheses match
 * accepts input on stdin, will exit when it hits a \n
 */
package verifyparen;
import java.io.IOException;
public class Main {
    public static void main(String[] args) {
        char[] app =(">>[-]>[-]+>++++++++++[-<+++<+++>>]<<<,----------[[->>>>+>+>>+<<"+
                "<<<<<]>>>>>[-<<<<<+>>>>>]<<<<[->>>>+>+>>+<<<<<<<]>>>>>[-<<<<<+>"+
                ">>>>]<<<<<>>>[>[->+<]<[-]]>[-]<>>[[-]>->-[->+<<<<<+>>>>]>[-<+>]"+
                "<<[->>+<<<<+>>]>>[-<<+>>]<<<<<[>[->+<]<[-]]>[-]>]>[-<+>]>[-<<+>"+
                ">]<<<<+>>[<<->>[-]]>[-]>[-]<<<<[[-]<<<<<+>>>>>]<<<<[->>>>+>+>>+"+
                "<<<<<<<]>>>>>[-<<<<<+>>>>>]<<<[->>>+>+>>+<<<<<<]>>>>[-<<<<+>>>>"+
                "]<<<<<>>>[>[->+<]<[-]]>[-]<>>[[-]>->-[->+<<<<<+>>>>]>[-<+>]<<[-"+
                ">>+<<<<+>>]>>[-<<+>>]<<<<<[>[->+<]<[-]]>[-]>]>[-<+>]>[-<<+>>]<<"+
                "<<+>>[<<->>[-]]>[-]>[-]<<<<[[-]<<<<<[->>>>>+>+<<<<<<]>>>>>>[-<<"+
                "<<<<+>>>>>>]<<+>[[-]<->]<<<<<->>>>>]+<[[-]>-<]><<<<[-]>>>>[[-]<"+
                "<<<,---------->>>>]<<<<]<[[-]>>>>>>[-]++++++++++[<+++++++>-]<++"+
                "++++++.>++++++++++[<+++>-]<+++.+++++.[-]>+++++[<+++++++++>-]<.<"+
                "<<<<]>>>>>[-]>[-]++++++++[<+++++++++++>-]<--.>++[<+++++>-]<+.>+"+
                "+[<+++++>-]<+.---.-----.").toCharArray();
        byte[] memory = new byte [30000];
        int pos = 0;//memory pointer
        int pc = 0;//program pointer
        try {
            while (true){
                if (pc >= app.length){break;}
                switch (app[pc]){
                    case '>':pos++;break;
                    case '<':pos--;break;
                    case '+':memory[pos]++;break;
                    case '-':memory[pos]--;break;
                    case '.':System.out.write(memory[pos]);break;
                    case ',':memory[pos] = (byte)System.in.read();break;
                    case '[':
                        if (memory[pos] == 0){
                            int bCounter = 0;
                            cBracketSearch:
                                while (true){
                                    pc++;
                                    switch (app[pc]){
                                        case '[':bCounter++;break;
                                        case ']':
                                            if (bCounter == 0){
                                                break cBracketSearch;
                                            }
                                            bCounter--;}}}
                        break;
                    case ']':
                        if (memory[pos] != 0){
                            int bCounter = 0;
                            oBracketSearch:
                                while (true){
                                    pc--;
                                    switch (app[pc]){
                                        case ']':
                                            bCounter++;
                                            break;
                                        case '[':
                                            
                                            if (bCounter == 0){
                                                break oBracketSearch;
                                            }
                                            bCounter--;}}}}
                pc++;}
        } catch (IOException e){e.printStackTrace();}System.out.flush();}}