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#include <iostream>

struct intcont {
	int num;
	intcont * next;
};


//int cont practice
int main() {
	intcont a = {4};
	intcont b = {5};
	a.next = &b;
	std::cout << a.num << std::endl;
	a = *a.next;
	std::cout << a.num << std::endl;
}
//4
//5