#include <iostream.h>
#include <stl.h>

int input1 [4] = { 1, 5, 7, 8 };
int input2 [4] = { 1, 4, 8, 3 };

int main ()
{
  int output [4];
  transform (input1, input1 + 4, input2, output, minus<int> ());
  for (int i = 0; i < 4; i++)
    cout << output[i] << endl;
  return 0;
}