nth Fibonacci number in C++

#include <iostream>
using namespace std;

int fib(int n)
{
    if (n <= 1)  //stopping condition
        return n;
    else  //recursive part
        return (fib(n - 1) + fib(n - 2));
}

int main()
{
    int n;
    cout << "Enter the term which you want to calculate\n";
    cin >> n;
    cout << "Answer:" << fib(n);
}

Output

Enter the term which you want to calculate
8

Answer:21