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