Calculator

#include <iostream>
using namespace std;

int main() 
{  
    while(true) {
        int operation;
        cout<<"Welcome to your own Personal Calculator"<<endl<<endl;
        cout<<"Please enter the selection among 1, 2, 3, 4 "<<endl;
        cout<<"1. Addition "<<endl;
        cout<<"2. Subtraction "<<endl;
        cout<<"3. Multiplication "<<endl;
        cout<<"4. Division "<<endl<<endl;
        
        cout<<"Enter your Selection: ";
        
        cin>>operation;
    
        cout<<"You have selected: "<<operation<<endl;
        
        int num1, num2;
        
        cout<<"Enter First Number: ";
        cin>>num1;
        cout<<"Enter Second Number: ";
        cin>>num2;
        
        
        if(operation == 1) {
            cout<<"After addition: "<<num1+num2;
        } else if (operation == 2) {
            cout<<"After subtraction: "<<num1-num2;
        } else if (operation == 3) {
            cout<<"After multiplication: "<<num1*num2;
        } else if (operation == 4) {
            cout<<"After division: "<<num1/num2;
        }
        cout<<endl;
    }
    
    
    return 0;
}