#include <iostream>
#include <fstream>
#include <string.h>
#include <math.h>
using namespace std;
ifstream f("cifra.in");
ofstream g("cifra.out");
int n, v[30000], s;
char a[1000000][50];

void citirev()
{
for(int i=1; i<=n; i++)
            {f>>v[i];
            int u=pow(v[i]%10,v[i]%10);
            if(v[i]%10==0)
                                    v[i]=0;
            else
                        v[i]=u%10;
            }
}

void citirec()
{
for(int i=1; i<=n; i++)
            f>>a[i];
}

void afisare()
{//cout<<a[1]<<" "<<a[n]<<endl;
for(int i=1;  i<=n; i++)
            cout<<v[i]<<" ";

}

void prelv()
{
for(int j=1; j<=n; j++)
            {s=0;
            for(int i=1; i<=j; i++)
                        s+=v[i];
            g<<s%10<<endl;
            }
}


int main()
{f>>n;
if(n<100)
            {citirev();
            prelv();
            }
/*else
            {citirec();
            //prelc();
            }*/
//afisare();
cout<<"gata";

return 0;}