#include<cstdio>
#include<cstring>
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[101];
int main(){
   int i,c1,c2,t,n,nr;
   freopen("cifra.in","r",stdin);
   freopen("cifra.out","w",stdout);
   scanf("%d\n",&t);
   for(i=1;i<=t;i++){
      scanf("%s",s);
      n=strlen(s);
      c1=0;
      if(n>=2)
         c1=s[n-2]-'0';
      c2=s[n-1]-'0';
      nr=c1*10+c2;
      printf("%d\n",v[nr]);
   }
   return 0;
}