Nested Namespace Declaration

#include <iostream>
using namespace std;

namespace Config {
    namespace ADC { int resolution = 12; }
    namespace PWM { int frequency = 1000; }
}
using namespace Config;
int main() {
    cout << "ADC.resolution="<<ADC::resolution<<"\n";
    cout << "PWM.frequency="<<PWM::frequency<<"\n";
    // your code here: print resolution and frequency with their namespace paths
    return 0;
}