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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
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 1
1
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 1
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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
3
 -1
 -1

import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.InputMismatchException;
import java.util.Stack;

public class Main {

	public static void main(String[] args) {
		Task mSol = new Task();
		mSol.solve();
		mSol.flush();
		mSol.close();
	}

}

class Task {

	public FasterScanner mFScanner;
	public PrintWriter mOut;
	private Stack<Character> mStack;

	public Task() {
		mFScanner = new FasterScanner();
		mOut = new PrintWriter(System.out);
	}

	public void solve() {
		int i;
		int hash = 0;
		int open = 0;
		int close = 0;
		int count = 0;
		int N;
		char c;
		int lastIndexHash = -1;
		int index = 0;
		String str;
		ArrayList<Integer> ans;

		str = mFScanner.nextLine();
		N = str.length();
		ans = new ArrayList<Integer>();
		mStack = new Stack<Character>();

		for (char ch : str.toCharArray()) {
			if (ch == '(') {
				open++;
				count++;
			} else if (ch == ')') {
				close++;
				count--;
			} else {
				hash++;
				count--;
				lastIndexHash = index;
			}

			if (count < 0) {
				mOut.println(-1);
				return;
			}
			
			index++;

		}
		
		int tempOpen = 0;
		int tempClose = 0;
		
		for (i = lastIndexHash; i < str.length(); i++) {
			if (str.charAt(i) == '(')
				tempOpen++;
			else
				tempClose++;
			
			if (tempOpen < tempClose) {
				mOut.println(-1);
				return;
			}
		}
		
		if (tempOpen != tempClose) {
			mOut.println(-1);
			return;
		}

		for (i = 0; i < hash; i++) {
			if (i == hash - 1) {
				ans.add(open - close);
			} else {
				ans.add(1);
				open--;
			}
		}

		for (int item : ans)
			mOut.println(item);

	}

	public void flush() {
		mOut.flush();
	}

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

class FasterScanner {
	private InputStream mIs;
	private byte[] buf = new byte[1024];
	private int curChar;
	private int numChars;

	public FasterScanner() {
		this(System.in);
	}

	public FasterScanner(InputStream is) {
		mIs = is;
	}

	public int read() {
		if (numChars == -1)
			throw new InputMismatchException();
		if (curChar >= numChars) {
			curChar = 0;
			try {
				numChars = mIs.read(buf);
			} catch (IOException e) {
				throw new InputMismatchException();
			}
			if (numChars <= 0)
				return -1;
		}
		return buf[curChar++];
	}

	public String nextLine() {
		int c = read();
		while (isSpaceChar(c))
			c = read();
		StringBuilder res = new StringBuilder();
		do {
			res.appendCodePoint(c);
			c = read();
		} while (!isEndOfLine(c));
		return res.toString();
	}

	public String nextString() {
		int c = read();
		while (isSpaceChar(c))
			c = read();
		StringBuilder res = new StringBuilder();
		do {
			res.appendCodePoint(c);
			c = read();
		} while (!isSpaceChar(c));
		return res.toString();
	}

	public long nextLong() {
		int c = read();
		while (isSpaceChar(c))
			c = read();
		int sgn = 1;
		if (c == '-') {
			sgn = -1;
			c = read();
		}
		long res = 0;
		do {
			if (c < '0' || c > '9')
				throw new InputMismatchException();
			res *= 10;
			res += c - '0';
			c = read();
		} while (!isSpaceChar(c));
		return res * sgn;
	}

	public int nextInt() {
		int c = read();
		while (isSpaceChar(c))
			c = read();
		int sgn = 1;
		if (c == '-') {
			sgn = -1;
			c = read();
		}
		int res = 0;
		do {
			if (c < '0' || c > '9')
				throw new InputMismatchException();
			res *= 10;
			res += c - '0';
			c = read();
		} while (!isSpaceChar(c));
		return res * sgn;
	}

	public boolean isSpaceChar(int c) {
		return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1;
	}

	public boolean isEndOfLine(int c) {
		return c == '\n' || c == '\r' || c == -1;
	}

}