ans

# include<stdio.h> 
# include<iostream> 
using namespace std; 
int main(){ 
int n,a[10000],p,b; 
cin>>n; 
for(int i=1;i<=n;i++){ 
   cin>>a[i]; 
} 
cin>>p>>b; 
a[p]=b; 
cout<<a[1]; 
for(int i=2;i<=n;i++){ 
   cout<<" "<<a[i]; 
} 
return 0; 
}