#include using namespace std; using ll = long long; #define rep(i, s, e) for (int i = (int)s; i < (int)e; ++i) #define all(a) (a).begin(),(a).end() int main() { cin.tie(nullptr); string S; int i, j; cin >> S >> i >> j; swap(S[i], S[j]); cout << S << '\n'; }