#(#(#((##((()))(((#)(#()#(((()()(()#(##(((()(((()))#(((((()(((((((()#((#((()(#(((()(()##(()(((()((#(
 (#((((()
 (#((
 ((#)((#)((#)((#)((#)((#)((#)((#)((#)((#)((#)((#)((#)((#)((#)((##
 (())((((#)
 (#(
 (#))(#(#)((((#(##((#(#((((#(##((((((#((()(()(())((()#((((#((()((((#(((((#(##)(##()((((()())(((((#(((
 ##((((((()
 #((#
 #))))
 (((((#(#(#(#()
 ((#(()#(##
 (((((((((((((((((((###################
 )((##((###
 (((()#(#)(
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-1
 -1
 -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
 -1
 -1
 -1
 1
1
3
 -1
 -1


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

import static java.lang.Math.*;

public class Solution implements Runnable {
	
	void solve() throws Exception {
		String s = sc.nextToken();
		int bal = 0;
		int n = s.length();
		int a[] = new int[n];
		int m = 0;
		for (int i = 0; i < n; i++) {
			if (s.charAt(i) == '(')
				bal++;
			else if (s.charAt(i) == ')')
				bal--;
			else {
				a[m++] = 1;
				bal--;
			}
			if (bal < 0) {
				out.println(-1);
				return;
			}
		}
		a[m - 1] += bal;
		bal = 0;
		for (int i = 0, j = 0; i < n; i++) {
			if (s.charAt(i) == '(') {
				bal++;
			} else if (s.charAt(i) == ')') {
				bal--;
			} else {
				bal -= a[j];
				j++;
			}
			if (bal < 0) {
				out.println(-1);
				return;
			}
		}
		for (int i = 0; i < m; i++) {
			out.println(a[i]);
		}
	}
	
	BufferedReader in;
	PrintWriter out;
	FastScanner sc;
	
	static Throwable throwable;
	
	public void run() {
		try {
			in = new BufferedReader(new InputStreamReader(System.in));
			out = new PrintWriter(System.out);
			//in = new BufferedReader(new FileReader(".in"));
			//out = new PrintWriter(".out");
			sc = new FastScanner(in);
			solve();
		} catch (Exception e) {
			throwable = e;
		} finally {
			out.close();
		}
	}

	public static void main(String[] args) throws Throwable {
		Thread thread = new Thread(null, new Solution(), "", (1 << 26));
		thread.start();
		thread.join();
		thread.run();
		if (Solution.throwable != null)
			throw Solution.throwable;
	}

}

class FastScanner {
	BufferedReader reader;
	StringTokenizer strTok;
	
	public FastScanner(BufferedReader reader) {
		this.reader = reader;
	}
	
	public String nextToken() throws Exception {
		while (strTok == null || !strTok.hasMoreTokens())
			strTok = new StringTokenizer(reader.readLine());
		return strTok.nextToken();
	}
	
	public int nextInt() throws Exception {
		return Integer.parseInt(nextToken());
	}
	
	public long nextLong() throws Exception {
		return Long.parseLong(nextToken());
	}
	
	public double nextDouble() throws Exception {
		return Double.parseDouble(nextToken());
	}
}