#include <iostream>
#include <cmath>
using namespace std;

int main() {
    // Your code goes here
    float num1, num2, result;
    int input;
    cout << "Basic Calculator based on input \n 1 for Addition, \n 2 for Subtraction, \n 3 for Multiplication, \n 4 for Division, \n 5 for Power" << endl;
    cout << "Enter the first number: ";
    cin >> num1;
    cout << "Enter the second number: ";
    cin >> num2;
    cout << "Enter the input: ";
    cin >> input;
    if(input == 1){
        result = num1 + num2;
    }
    else if (input == 2){
        result = num1 - num2;
    }
    else if(input == 3){
        result = num1 * num2;
    }
    else if(input == 4){
        if(num2 == 0){
            cout << "Cannot divide by 0" << endl;
            return 1;
        }
        else{
            result = num1 / num2;
        }
    }
    else if(input == 5){
        result = pow(num1, num2);
    }
    else{
        cout << "Invalid input" << endl;
        return 1;
    }

    cout << "The result is " << result << endl;
    return 0;
}