#include<fstream>
#include<cstring>
using namespace std;
 
int main()
{
int n;
ifstream f("cifra.in");
ofstream g("cifra.out");
 
f>>n;
int v[n];
char s[101];
int l;
int check[100]={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,};
for(int i=0;i<n;i++){
    f>>s;
    l = strlen(s);
 
    if(l>=2)
    {
     if(s[l-1]=='0' && s[l-2]=='0')
         v[i]=100;
      else
        v[i] = (s[l-2]-48) * 10 + s[l-1]-48;
    }
    else
     v[i]=s[l-1] - 48;
}
 
 
int index;
for(int i=0;i<n;i++)
{
index = v[i];
    if(index==100)
       g<<"0"<<"\n";
    else
       g<<check[index-1]<<"\n";
 
}
 
return 0;
}