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

class drob{
public:
	int first;
	int second;
	drob(){
		first=4;
		second=16;
	}
drob(int x,int y){
		first=x;
		second=y;
	}
void input(){
	cout << "Vvedite chislitel: "<<endl;
	cin >> first;
	do {
	cout << "Vvedite znamenatel: "<<endl;
	cin >> second;
	}
	while (second == 0);
	}
void view(){
	cout<< "Chislitel:"<<first<<endl;
	cout<<"Znamenatel:"<<second<<endl;
}
int divisor(int x,int y)
{
if (!y) return x;
else return divisor(y, x%y);
}
void reduct() {
	int gcd=divisor(first, second);//greatest common divisor
	first/=gcd;
	second/=gcd;
}
};

int main() {
	drob val1,val2(5,15),val3;
	val3.input();

cout<<"Drobi:"<<endl;

	val1.view();
	val2.view();
	val3.view();

cout<<"Sokrashchaem:"<<endl;
val1.reduct();
val1.view();
val2.reduct();
val2.view();
val3.reduct();
val3.view();
int n;

cout<<"Razmer massiva:"<<endl;
cin>>n;
vector <drob> mas(n);
for(int i=0;i<n;i++){
		mas[i].input();
		mas[i].reduct();
		mas[i].view();
}

	return 0;
}