#include<iostream>
#include<string.h>
#include<fstream>
using namespace std;
int main ()
{
    ifstream x("cifra.in");
    ofstream y("cifra.out");
    short v[101]={0,1,5,2,8,3,9,2,8,7,7,8,4,7,3,8,4,1,5,4,4,5,9,6,2,7,3,6,2,1,1,2,8,1,7,2,8,5,9,8,8,9,3,0,6,1,7,0,6,5,5,6,2,5,1,6,2,9,3,2,2,3,7,4,0,5,1,4,0,9,9,0,6,9,5,0,6,3,7,6,6,7,1,8,4,9,5,8,4,3,3,4,0,3,9,4,0,7,1,0,0};
    char a[101],s[3];
    unsigned int t,i,k;
    x>>t;
    for(i=1;i<=t;i++)
    {
        x.getline(a,100);
        if(strlen(a)>1)
        {
        s[0]=a[strlen(a)-2];
        s[1]=a[strlen(a)-1];
        s[3]='\0';
        k=atoi(s);
        y<<v[k];
        }
        else
        y<<a[atoi(a)];
    }
    x.close();
    y.close();
    return 0;
}