include iostream include string include vector using namespace std int

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#include <iostream>
#include <string>
#include <vector>
using namespace std;
int main() {
vector<int> a;
int n;
int x,y;
cin >> n;
for(int i=0;i<n;i++){
cin >> x;
a.push_back(x);
}
cin >> x >> y;
swap(a[x-1],a[y-1]);
for( int i=0;i<n;i++){
cout << a[i] << " ";
}
}