#include <iostream>
using namespace std;

int main() {
int count = 0;
for (int i = 100; i <= 999; i++) {
int a = i / 100;
————————————————————
int c = i % 10;
if (a * a + b * b == c * c) {
count++;
}
}
cout << count << endl;
return 0;
}