Ignore new line

#include <iostream>
#include <fstream>
#include <limits>
using namespace std;
int main() {
  ifstream ifs("a.txt");
  int a, b, c;
  ifs >> c;
  cout << c << endl;
  ifs.ignore(numeric_limits<streamsize>::max(), '\n');
  char d;
  while (ifs >> a >> d >> b)
    cout << a << ' ' << b << endl;
  ifs.close();
}