how to parser comma separated string in c++

comma_sep.cpp

#include <iostream>
#include <string>
#include <math.h>
#include <vector>
#include <sstream>

using namespace std;

int main() {
	char Name[30];
	int Age;
	char ID[10];
	int Grade[4];
	int AverageGrade;
	char mark;

	cin.getline(Name, 30, ',');
	cin >> Age >> mark;
	cin.getline(ID, 10, ',');
	cin >> Grade[0] >> mark >> Grade[1] >> mark >> Grade[2] >> mark >> Grade[3];

  return 0;
  }