#include <fstream>
#include <cmath>

using namespace std;

const int v[]={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};

char s[103];

int main()
{
    ifstream f("cifra.in");
    ofstream h("cifra.out");
    int t,i,c,p;
    f>>t>>ws;
    for(i=1;i<=t;i++){
        f.getline(s,102);
        p=0;
        while(s[p])
            p++;
        p--;
        if(p)c=(s[p-1]-'0')*10+(s[p]-'0');
        else c=s[0]-'0';
        h<<v[c]<<"\n";
    }
    return 0;
}