# include <iostream>
using namespace std;
int main (  )
{

long long int a,b,c,d,e,f;
while (cin>>a>>b)
{
      c=a+b;
      d=a-b;
      e=a*b;
      f=a/b;
  cout<<c<<endl<<d<<endl<<e<<endl<<f<<endl;
} 

  return 0;
  }