#include <iostream>
using namespace std;
 
int main() {
	int numCreditHours;
	int numStudyHours;
	int numHoursStudying;
	int diffBetweenHoursStudying;
 
	cout << "How many credit hours are you currently taking?" << endl;
	cin >> numCreditHours;
	numStudyHours = numCreditHours * 3;
	cout << "How many hours do you spend studying outside of class per week?" << endl;
	cin >> numHoursStudying;
	diffBetweenHoursStudying = numStudyHours - numHoursStudying;
	cout << "You should be spending " << numStudyHours << " hours studying outside of class each week." << endl;
	cout << "You are studying " << diffBetweenHoursStudying << " hours less than you should.";
	return 0;
}

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