#include<stdio.h>

int main(void) {
	int count = 0, num, numSquare, iSquare,i,j;
	scanf("%d", &num);
	numSquare = num * num;
	j = num;
	for (i = 1; i < num; i++) {
		iSquare = i * i;
		while ((iSquare + j * j) > numSquare) {
			j--;
			if (j < 1) {
				break;
			}
		}
		if ((iSquare + j * j) == numSquare) {
			count++;
		}
	}
	printf("%d", count);
	return 0;
}