import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.io.FilterInputStream;
import java.io.BufferedInputStream;
import java.io.InputStream;

/**
 * @author khokharnikunj8
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        ScanReader in = new ScanReader(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        MaximumPalindromes solver = new MaximumPalindromes();
        solver.solve(1, in, out);
        out.close();
    }

    static class MaximumPalindromes {
        public void solve(int testNumber, ScanReader in, PrintWriter out) {

            String s = in.scanString();
            int q = in.scanInt(), l, r, count, len;
            while (q-- > 0) {
                l = in.scanInt();
                r = in.scanInt();
                if (r - l == 0) out.println(1);
                else if (r - l == 1) {
                    if (s.charAt(r - 1) != s.charAt(l - 1)) out.println(0);
                    else out.println(1);
                } else if (r - l == 2) {
                    if (s.charAt(l - 1) == s.charAt(l) && s.charAt(l) == s.charAt(r - 1)) out.println(1);
                    else if (s.charAt(l - 1) == s.charAt(l) || s.charAt(l) == s.charAt(r - 1) || s.charAt(r - 1) == s.charAt(l - 1))
                        out.println(1);
                    else out.println(0);
                } else {
                    if (s.charAt(l - 1) == s.charAt(l) && s.charAt(l) == s.charAt(l + 1) && s.charAt(l + 1) == s.charAt(r - 1))
                        out.println(1);
                    if (s.charAt(l - 1) == s.charAt(l) || s.charAt(l + 1) == s.charAt(l) || s.charAt(l + 1) == s.charAt(r - 1) || s.charAt(l - 1) == s.charAt(r - 1) || s.charAt(l - 1) == s.charAt(l + 1) || s.charAt(l) == s.charAt(r - 1))
                        out.println(2);
                    else out.println(0);
                }


            }
        }

    }

    static class ScanReader {
        private byte[] buf = new byte[4 * 1024];
        private int index;
        private BufferedInputStream in;
        private int total;

        public ScanReader(InputStream inputStream) {
            in = new BufferedInputStream(inputStream);
        }

        private int scan() {
            if (index >= total) {
                index = 0;
                try {
                    total = in.read(buf);
                } catch (Exception e) {
                    e.printStackTrace();
                }
                if (total <= 0) return -1;
            }
            return buf[index++];
        }

        public int scanInt() {
            int integer = 0;
            int n = scan();
            while (isWhiteSpace(n)) n = scan();
            int neg = 1;
            if (n == '-') {
                neg = -1;
                n = scan();
            }
            while (!isWhiteSpace(n)) {
                if (n >= '0' && n <= '9') {
                    integer *= 10;
                    integer += n - '0';
                    n = scan();
                }
            }
            return neg * integer;
        }

        public String scanString() {
            int c = scan();
            if (c == -1) return null;
            while (isWhiteSpace(c)) c = scan();
            StringBuilder res = new StringBuilder();
            do {
                res.appendCodePoint(c);
                c = scan();
            } while (!isWhiteSpace(c));
            return res.toString();
        }

        private boolean isWhiteSpace(int n) {
            if (n == ' ' || n == '\n' || n == '\r' || n == '\t' || n == -1) return true;
            else return false;
        }

    }
}