#include<stdio.h>

int main(){
 int a,b,c,d;
 
while(scanf("%d%d%d%d",&a,&b,&c,&d)==4)
 if(a+d==b+c)
printf("%3d%3d%3d%3d%3d\n",a,b,c,d,d+b-a);

 else if(a*d==b*c)
 printf("%3d%3d%3d%3d%3d\n",a,b,c,d,d*(b/a));

else  0;
 }