#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("Citire.in");


int t[100];

int cmmdc(int a , int b)
{
    while (a!=b)
        if(a>b)
            a-=b;
        else
            b-=a;
    return a;
}
int cmmdcelemente(int s,int d)
{
    if(s==d)
        return t[s];
    else
    {
        int m=(s+d)/2;
        return cmmdc(cmmdcelemente(s,m),cmmdcelemente(m+1,d));
    }
}
void Citire(t[],&n)
{
    fin>>n;
    for(int i=0;i<n;i++)
        fin>>t[i];
}

void AfisareVector(t[],n);
{
    cout<<"Elementele sunt : ";
    for(int i=0;i<n;i++)
        cout<<t[i]<<" ";
    cout<</n;
}

int main(void)
{
   CitireVector(t,n);
   AfisareVector(t,n);
   cout<<"CMMDC ="<<cmmdcelemente(s,m-1);
    return 0;
}