tj

#include<bits/stdc++.h>
using namespace std;
int a[1005], b, c, n;
int main(){
    cin >> n >> b >> c;
    for(int i = 1; i <= n; i++)
        cin >> a[i];
    swap(a[b], a[c]);
    for(int i = 1; i <= n; i++)
        cout << a[i] << " ";
    return 0;
}