#include<stdio.h>
#include<string.h>
int a[101]={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};
char b[124];
int main()
{
    freopen("cifra.in","r",stdin);
    freopen("cifra.out","w",stdout);
    int t,i,x,l;
    scanf("%d\n",&t);
    for(i=1;i<=t;i++)
    {
        gets(b);
        x=strlen(b);
        if(x==1)
            l=b[0]-'0';
        else
            l=(b[x-2]-'0')*10+b[x-1]-'0';
        printf("%d\n",a[l]);
    }
    return 0;
}