using System;

public class Program

{       

    public static void Main()

    {

        Console.WriteLine("ivesk teksta");

        string str = Console.ReadLine();

        Console.WriteLine("ivesk kiek bus paryskinto teksto intervalu");

        int arrSize = int.Parse(Console.ReadLine());

        int[,] arr = new int[arrSize, 2];

        int offset = 0;

        for(int i = 0; i < arrSize; i++)

        {

            Console.WriteLine("ivesk " + (i + 1) + "-ojo intervalo pradzia");

            arr[i,0] = int.Parse(Console.ReadLine());

            Console.WriteLine("ivesk " + (i + 1) + "-ojo intervalo ilgi");

            arr[i,1] = int.Parse(Console.ReadLine());

            if(i > 0 && arr[i,0] < arr[i - 1,0] + arr[i - 1,1])

            {

                Console.WriteLine("intervalai neturetu persidengti, vesk is naujo");

                return;

            }

        }

        for(int i = 0; i < arrSize; i++)

        {

            str = str.Substring(0, arr[i,0] + offset) + "<b>" + str.Substring(arr[i,0] + offset, arr[i,1]) + "</b>" + str.Substring(arr[i,0] + arr[i,1] + offset);  

            offset += 7;

        }

        Console.WriteLine(str);

    }

}