BAC 2017 iun III 3

///BAC 2017 iun III 3
#include <iostream>

using namespace std;

int main()
{
    int n,x=0,c,p=1;
    cin>>n;
    while(n!=0){
        c=n%10;
        n=n/10;
        if(c%2==0){
            x=x+p*c/2;
            p=p*10;
            x=x+p*c;
            p=p*10;
        }
        else{
             x=x+p*c;
             p=p*10;
        }
    }
    n=x;
    cout<<n;
    return 0;
}