# include<iostream> using namespace std; int a[101], n; int main(){ cin>>n; for(int i = 0; i < n; i++)cin>>a[i]; int *p = a; for(int i = 0; i < n; ++i){ if(*(p+i)%2==0)*(p+i) = *(p+i) - 1; else *(p+i) = *(p+i) + 1; cout<<*(p+i)<<" "; } return 0; }