// structs
#include <iostream>
#include <string>
using namespace std;

struct Student;

void print(Student& s);

struct Student
{
	string ssn;
	float grade;
};


int main()
{
	Student s;
	s.ssn = "111-22-3333";
	s.grade = 90;
	print(s);
	print(s);
	return 0;
}

void print(Student& t)
{
	cout << "SNN: " << t.ssn << endl;
	cout << "Grade: " << t.grade << endl;
	t.grade = 87;
}