#include <bits/stdc++.h>
typedef unsigned long long ll;
#define INF 1000000000
using namespace std;
void solve(string s,int a,int b){
    char tmp;
    tmp=s[a];
    s[a]=s[b];
    s[b]=tmp;
    cout<<s<<endl;
}
int main(void){
    string s;
    int a,b;
    cin>>s>>a>>b;
    solve(s,a,b);
}