#include <bits/stdc++.h>
using namespace std;
int main()
{
int t = 0,i,n;
cin >> t;
while(t--)
{
int n = 0;
cin >> n;
n *= 567;
n /= 9;
n += 7492;
n *= 235;
n /= 47;
n-= 498;
n/=10;
n%=10;
printf("%d\n",abs(n));
}
return 0;
}
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