#include<stdio.h>

#define input "cifra.in"

#define output "cifra.out"

#define dim 100001

int n, nr, a[]=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 main()
{
	FILE *in, *out;

	in = fopen (input, "r");

	out = fopen (output, "w");

	fscanf(in, "%d", &n);

	for(int i=1; i<=n; i++)
	{
		fscanf(in, "%d", &nr);

		if(nr<=100)

			fprintf(out, "%d\n", a[nr]);

		else

			fprintf(out, "%d\n", a[nr%100]);
	}

	return 0;

}