Untitled

//
// Created by xingchaoyue on 2022/10/21.
//

#include<iostream>
#include<cstdio>
#include<string>
using namespace std;
int main(){
    string s;
    cin>>s;
    int n;
    cin>>n;
    for(int i = 0;i<n;++i){
        int l,r;
        cin>>l>>r;
        if(l+r-1>=s.size())continue;
        s = s.substr(l,r);
//        cout<<s<<endl;
    }
    cout<<s<<endl;

}