Bac2019_S2

#include<iostream>
using namespace std;
int main()
{
    int rez=0,n,aux=0,ogl=0,c=0;
    cin>>n;
    aux=n;
    while(aux>0)
    {
        c=aux%10;
        if(c%2==0)
        {
            rez=rez*10+(c-1);
        }
        else
        {
            rez=rez*10+c;
        }
        aux=aux/10;
    }
    while(rez>0)
    {
        ogl=ogl*10+rez%10;
        rez=rez/10;
    }
    cout<<ogl;
    return 0;
}