Program CTVHOC24;
uses crt;
var a,b: integer;
begin
clrscr;
write('nhap so a ='); readln(a);
write('nhap so b ='); readln(b);
writeln('tong cua a va b =',a+b);
writeln('hieu cua a va b =',a-b);
writeln('tich cua a va b =',a*b);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long a,b;
int main()
{
cin>>a>>b;
cout<<a+b<<endl;
cout<<a-b;
return 0;
}