if else condition

#include <iostream>
using namespace std;
int main () {
int a,b,c;
cout <<"\n";
cout << "ENTER THE 3 INTEGERS \n";
cin >> a;
cout <<"a = "<< a << "\n";
cin >> b;
cout <<"b = "<< b << "\n";
cin >> c;
cout <<"c = "<< c << "\n";
cout << "\n";
cout << "sum = "<< a+b+c<<"\n";
cout << "Average = "<<(a+b+c)/3 <<"\n";
cout << "Product = "<<(abc)<<"\n";
if (a<b && a<c)
cout << "Smallest Number = "<<a<<"\n";
else if (b<a && b<c)
cout << "smallest Number = " <<b<< "\n";
else if (c<b && c<a)
cout << "smallest Number = " <<c<< "\n";
if (a>b && a>c)
cout << "Largest Number = "<<a<<"\n";
else if (b>a && b>c)
cout << "Largest Number = " <<b<< "\n";
else if (c>a && c>b)
cout << "Largest Number = " <<c<< "\n";
cout<<"Thanks for reviewing the code :) \n";
return 0 ;
}