#include<cstdio>
#include<cstring>
FILE *in,*out;
int t,k,d,c[]={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 s[100];
int main()
{
	in=fopen("cifra.in","r");fscanf(in,"%d",&t);
	out=fopen("cifra.out","w");
	for(;t;t--)
	{
		fscanf(in,"%s",s);
		d=strlen(s);
		if(d>1)k=(s[d-2]-'0')*10+s[d-1]-'0';
		 else k=s[d-1]-'0';
		fprintf(out,"%d\n",c[k]);
	}
}