#include<stdio.h>
#include<string>
#include<stdlib.h>
FILE *f=fopen("cifra.in","r"),*g=fopen("cifra.out","w");
int a[100]={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},x,i;
char s[105];
int t;
int main()
{
	fscanf(f,"%d\n",&t);
	for(i=1;i<=t;i++)
	{
		fscanf(f,"%s\n",&s);
		if(strlen(s)==1) x=s[strlen(s)-1]-'0';
		else 
		x=(s[strlen(s)-2]-'0')*10+(s[strlen(s)-1]-'0');
		fprintf(g,"%d\n",a[x]);
		
	}
	fclose(f);
	fclose(g);
	return 0;
}