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