using System;
using System.IO;

class Program
{

    static void Main()
    {
        //variables:
        char[] stringS;
        string str;
        str = Console.ReadLine();

        stringS = str.ToCharArray();

        int Q;
        Q = Convert.ToInt32(Console.ReadLine());

        int stop = 2 + Q;

        for (int i = 2; i < stop; ++i)
        {

            string[] nums_strings = Console.ReadLine().Split();
            int[] nums = new int[nums_strings.Length];

            for (int j = 0; j < nums_strings.Length; j++)
                nums[j] = Convert.ToInt32(nums_strings[j]);

            int L = nums[0];
            int R = nums[1];
            ReverseCase(stringS, L, R);
        }

        Console.WriteLine(new string(stringS));
    }

    static void ReverseCase(char[] array, int startIndex, int stopIndex)
    {
        for (int i = startIndex - 1; i < stopIndex; ++i)
        {
            if (char.IsLower(array[i]))
            {
                array[i] = char.ToUpper(array[i]);
            }
            else
            {
                array[i] = char.ToLower(array[i]);
            }
        }
    }
}