UVa 12798 - Handball

# UVa 12798 - Handball

while True:
    try:
        numberOfPlayers, numberOfGames = map(int, input().split())
    except:
        break
    
    playersThatScoredInAllGames = 0
    for player in range(numberOfPlayers):
        playerScoresByGame = map(int, input().split())
        scoredInAllGames = not (0 in playerScoresByGame)
        if scoredInAllGames: playersThatScoredInAllGames += 1

    print(playersThatScoredInAllGames)