#include <stdio.h>
void func2(int A[][2], int B[][2], int C[][2])
{
int i ,j;
for (i = 0; i < 2; i++)
for (j = 0; j < 2; j++)
C[i][j] = A[i][j] - B[i][j];
}
int main()
{
int a[2][2], b[2][2], c[2][2];
scanf("%d %d %d %d %d %d %d %d", &a[0][0], &a[0][1], &a[1][0],&a[1][1], &b[0][0],&b[0][1],&b[1][0], &b[1][1]);
func2(a, b, c);
printf("answer = %d %d %d %d\n", c[0][0], c[0][1], c[1][0], c[1][1]);
}