آب خوردن

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#include <iostream> 
using namespace std; 
 
int main() { 
   long long k = 1388; 
   for (int i=2; i<=2010; i++) 
      k = (k * 1388) % 1000000; 
 
   int s = 1; 
   for (; k > 0; k /= 10) 
      s *= k % 10; 
   cout << s << endl; 
   return 0; 
}