#include <bits/stdc++.h>
int chou = 0;
int hisi = 0;
int date_1, date_2, date_3;
int main() {
  while (scanf("%d,%d,%d", &date_1, &date_2, &date_3) != EOF) {
    if (date_1 * date_1 + date_2 * date_2 == date_3 * date_3)
      chou++;
    else if (date_1 == date_2)
      hisi++;
  }
  return 0;
}
