#include <iostream>
#include <fstream>
#include <string>
const char IN[] = "cifra.in";
const char OUT[] = "cifra.out";
#define MAXL 101
int A[MAXL] = { 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 };
int T;
int N;
using namespace std;
inline void read_data()
{
freopen(IN, "r", stdin);
freopen(OUT, "w", stdout);
scanf("%d\n", &T);
string s;
while (T--) {
cin >> s;
int len = s.length();
int num = s[len - 1] - '0';
if (len > 1)
num += 10 * (s[len - 2] - '0');
printf("%d\n", A[num]);
}
fclose(stdin);
fclose(stdout);
}
int main()
{
//preprocess();
read_data();
return 0;
}