// Program: power8_exact.cpp
// Raise a number to the eighth power, 
// using integers of arbitrary size

#include <iostream> 
#include <IFMP/integer.h>

int main()
{
  // input
  std::cout << "Compute a^8 for a =? ";  
  ifmp::integer a;
  std::cin >> a;

  // computation
  ifmp::integer b = a * a; // b = a^2
  b = b * b;              // b = a^4

  // output b * b, i.e., a^8
  std::cout << a << "^8 = " << b * b << ".\n";
  return 0;
}