#include<stdio.h>
void func(int a, int b, int c, int d
				,int e, int f, int g, int h
				,int *a3, int *b3, int *c3, int *d3)
{
	*a3=a*e+b*g;
	*b3=a*f+b*h;
	*c3=c*e+d*g;
	*d3=c*f+d*h;
}
int main(void)
{
  int scan;//scanf警告用
  int a,b,c,d;
  scan=scanf("%d %d %d %d",&a,&b,&c,&d);
  int a3,b3,c3,d3;
  func(a,b,c,d,a,b,c,d,&a3,&b3,&c3,&d3);
  int a1=a3,b1=b3,c1=c3,d1=d3;
  func(a1,b1,c1,d1,a,b,c,d,&a3,&b3,&c3,&d3);

  printf("%d %d\n%d %d",a3,b3,c3,d3);
  return 0;
}