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-1
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 -1
 1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
 3
 -1
 -1
 -1
 -1
 -1
 1
1
1
5
 1
1
1
1
 1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
 -1
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 -1
 1
1
3
 -1
 -1

import java.io.InputStreamReader;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.BufferedWriter;
import java.util.ArrayList;
import java.io.BufferedReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.Writer;
import java.util.StringTokenizer;
import java.io.InputStream;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 * @author Lokesh Khandelwal
 */
public class Main {
	public static void main(String[] args) {
		InputStream inputStream = System.in;
		OutputStream outputStream = System.out;
		InputReader in = new InputReader(inputStream);
		OutputWriter out = new OutputWriter(outputStream);
		TaskA solver = new TaskA();
		solver.solve(1, in, out);
		out.close();
	}
}

class TaskA {
    public void solve(int testNumber, InputReader in, OutputWriter out) {
        String s = in.next();
        int open = 0;
        int i;
        int n = s.length();
        int last = -1;
        ArrayList<Integer> ans = new ArrayList<Integer>();
        for(i=0;i<n;i++) {
            if(open < 0) {
                out.printLine(-1);
                return;
            }
            if(s.charAt(i) == '(') {
                open++;
            } else if(s.charAt(i) == ')') {
                open--;
            } else {
                open--;
                ans.add(1);
                last = i;
            }
        }
        if(open < 0) {
            out.printLine(-1);
            return;
        }
        if(open > 0) {
            ans.set(ans.size() - 1, 1 + open);
        }
        open  = 0;
        for(i=last + 1;i<n;i++) {
            if(open < 0) {
                out.printLine(-1);
                return;
            }
            if(s.charAt(i) == '(') {
                open++;
            } else {
                open--;
            }
        }
        if(open > 0) {
            out.printLine(-1);
            return;
        }
        for(int x : ans) {
            out.printLine(x);
        }
    }
}

class InputReader
{
    BufferedReader in;
    StringTokenizer tokenizer=null;

    public InputReader(InputStream inputStream)
    {
        in=new BufferedReader(new InputStreamReader(inputStream));
    }
    public String next()
    {
        try{
            while (tokenizer==null||!tokenizer.hasMoreTokens())
            {
                tokenizer=new StringTokenizer(in.readLine());
            }
            return tokenizer.nextToken();
        }
        catch (IOException e)
        {
            return null;
        }
    }
}

class OutputWriter {
	private final PrintWriter writer;

	public OutputWriter(OutputStream outputStream) {
		writer = new PrintWriter(new BufferedWriter(new OutputStreamWriter(outputStream)));
	}

    public void print(Object...objects) {
		for (int i = 0; i < objects.length; i++) {
			if (i != 0)
				writer.print(' ');
			writer.print(objects[i]);
		}
	}

	public void printLine(Object...objects) {
		print(objects);
		writer.println();
	}

	public void close() {
		writer.close();
	}
}

