#include <stdio.h>
#include <cstring>
using namespace std;
FILE *f,*g;
int v[1002]={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[1002];
int main()
{
    f=fopen("cifra.in","r");
    g=fopen("cifra.out","w");
    int n,nr,i,lg;
    fscanf(f,"%d",&n);
    for(i=1;i<=n;i++)
    {
        fscanf(f,"%s",&s);
        lg=strlen(s)-1;
        nr=s[lg]-'0';
        if(lg>=1)
            nr+=(s[lg-1]-'0')*10;
        fprintf(g,"%d\n",v[nr]);
    }
    return 0;
}