import sys input = sys.stdin.readline class FourArray: def __init__(self, N, mat): self.__N = N self.__arr: list[list[int]] = mat # shape = (4, N) self.__firsts = dict() for i in range(self.__N): for j in range(self.__N): first = self.__arr[i][0] + self.__arr[j][1] if first in self.__firsts: self.__firsts[first] += 1 else: self.__firsts[first] = 1 def solve(self) -> int: s = 0 for i in range(self.__N): for j in range(self.__N): target = -(self.__arr[i][2] + self.__arr[j][3]) if target in self.__firsts: s += self.__firsts[target] return s if __name__ == "__main__": N = int(input()) solver = FourArray(N, [list(map(int, input().split())) for _ in range(N)]) print(solver.solve())