#include <bits/stdc++.h>
using namespace std;

typedef pair<int,int> P;
bool cmp(P a,P b){
  return a.first*b.second>a.second*b.first;
}

signed main(){
  string s;cin>>s;
  int i,j;cin>>i>>j;swap(s[i],s[j]);
  cout<<s<<endl;
}