#include <iostream>
#include <string>
#include <cstdlib>
#include <ctime>
using namespace std;


int random(int min, int max) {
    return min + rand() % (max - min + 1);
}


string scramble(string word) {
    if (word.length() <= 3) {
        return word; 
    }

    int pos1 = random(1, word.length() - 2); 
    int pos2 = random(1, word.length() - 2); 

    while (pos2 == pos1) {
        pos2 = random(1, word.length() - 2);
    }

    swap(word[pos1], word[pos2]);
    return word;
}

int main() {
    srand(time(nullptr)); 

    string word;
    while (cin >> word) {
        cout << scramble(word) << " ";
    }
    cout << endl;

    return 0;
}