#include <iostream>
using namespace std;

int main() {
	string s;
	cin >> s;
	int i, j;
	cin >> i >> j;
	for (int b = i - 1, c = j - 1; b < c; b++,c--) {
		int k = s[b];
		s[b] = s[c];
		s[c] = k;

	}
	cout << s;
	
	return 0;
}