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

signed main(){
	string S;
	int i, j;
	char temp;
	
	cin>>S>>i>>j;
	
	temp = S[i];
	S[i] = S[j];
	S[j] = temp;
	cout<<S<<endl;
	
	return 0;
}