Add 3 Number in Column [C/C++]

#include<stdio.h>
#include<conio.h>
main()
{
      int arr1[3],arr2[3],arr3[4];
      printf("Please Enter 1st 3 #\'s\n");
      for(int x=0; x<3 ; x++)
      {
              scanf("%d",& arr1[x]);
      }
      printf("Please Enter 2nd 3 #\'s\n");
      for(int x=0; x<3 ; x++)
      {
              scanf("%d",& arr2[x]);
      }
      printf("\nARR1\t+\tARR2\t=\tARR3");
      for(int x=0; x<3 ; x++)
      {
              arr3[x]=arr1[x]+arr2[x];
              printf("\n%d\t+\t%d\t=\t%d",arr1[x],arr2[x],arr3[x]);
      }
      getch();
}