#include <iostream>
#include <list>
#include <vector>
#include <string>
#include <stdio.h>
#include <stdint.h>
#include <iomanip>
using namespace std;

using uint = unsigned int;
using ll = long long;

#define CIN( LL , A ) LL A; cin >> A 
#define GETLINE( A ) string A; getline( cin , A ) 
#define FOR_ITR( ARRAY , ITR , END ) for( auto ITR = ARRAY .begin() , END = ARRAY .end() ; ITR != END ; ITR ++ ) 

int main()
{

  CIN( string , S );
  CIN( ll , i );
  CIN( ll , j );

  if( j < i ){
    
    ll k = i;
    i = j;
    j = k;

  }
  
  cout << S.substr( 0 , i ) + S.substr( j , 1 ) + S.substr( i + 1 , j - i - 1 ) + S.substr( i , 1 ) + S.substr( j + 1 ) << endl;
  return 0;

}