ADCChannel Constructor Validation

#include <iostream>
using namespace std;

// Write your ADCChannel class here
class ADCChannel{
private:
    int channel;
    int resolution;

    static int sanitizeChannel(int ch){
       if(ch>15){ch = 15;}
       else if(ch<0){ch = 0;}
       return ch; 
    }

    static int sanitizeResolution(int r){
       if((r!=8)&&(r!=10)&&(r!=12)){r=12;}
       return r; 
    }    

public:
    ADCChannel(int ch, int res) 
        : channel(sanitizeChannel(ch)),
          resolution(sanitizeResolution(res)){

    }

    void print(){
        cout << "CH=" << channel <<" RES="<<resolution;
    }

};

int main() {
    int ch, res;
    cin >> ch >> res;

    ADCChannel adc(ch, res);
    adc.print();

    return 0;
}