Varianta67 Sub3 Ex4

#include<iostream>
#include<fstream>
using namespace std;
ifstream fin("date.in");
int main()
{
    int Nant,n,m;
    fin>>m;
    fin>>Nant;
    while(fin>>n)
    {
        if(Nant!=n) cout<<Nant<<" ";
        Nant=n;
    }

    cout<<n<<" ";

}