#include using namespace std; typedef long long ll; typedef pair pii; #define pb push_back #define mp make_pair #define rep(i,n) for(int i=0;i<(n);++i) int main(){ cin.tie(0); ios::sync_with_stdio(false); string s;cin >> s; int i,j;cin >> i >> j; char c=s.at(i); s.at(i)=s.at(j); s.at(j)=c; cout << s << endl; }