#include <stdio.h>
int main()
{
int loop, array[] = {1,3,7,9,1,3,7,9,1,3,1};
unsigned long long int number;
while(loop)
{
int sum = 0, i = 10;
while(number)
{
sum += (number % 10) * array[i];
number /= 10;
i--;
}
else if(!(sum
% 10)) printf("D");
loop--;
}
return 0;
}
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