Sensor Filter Selection

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

typedef enum{
    NONE=1,
    LOW=2,
    HIGH=4
}FilterMode;

int readSensor(int raw, FilterMode filter=NONE);

int readSensor(int raw, FilterMode filter){
    return raw/filter;
}
// Write your enum and function here

int main() {
    int raw, modeFlag;
    cin >> raw >> modeFlag;

    if (modeFlag == 0) {
        cout << readSensor(raw);
    } else {
        string filterName;
        cin >> filterName;

        FilterMode filter;

        if (filterName == "LOW") {
            filter = LOW;
        } else {
            filter = HIGH;
        }

        cout << readSensor(raw, filter);
    }

    return 0;
}