simpleCalc

#include <iostream>
using namespace std;
int firstNum;
int secNum;
int calcOp;
int main() {
cout<<"Enter first number: \n";
cin>>firstNum;
cout<<"Select 1 (Add) 2 (Subtract) 3 (Multiply) 4 (Divide) \n";
cin>>calcOp;
cout<<"Enter second number: \n";
if (calcOp==1) {
firstNum = firstNum + secNum;
cout<<"The answer is: " << firstNum;
}
cin.get();
}