Deque 2

#include <iostream>
#include <string>
#include <deque>
using namespace std;
int main()
{
-int a,c;
-deque<int> x;
-do{
--cout<<"Arrived from Cairo: ";
--cin>>c;
--cout<<"Arrived from Alex: ";
--cin>>a;
--x.push_back(c);
--x.push_front(a);
-}while(a||c);
-while(!x.empty()){
--if(x.back()){
---cout<< x.back();
---cout<<" is going to Cairo"<<endl;
--}
--if(x.front()){
---cout<< x.front();
---cout<<" is going to Alex"<<endl;
--}
--x.pop_front();
--x.pop_back();
-}
}