10. 스도쿠 검사

# 스도쿠 검사

def run(mp):
    for i in range(9):
        ch = [0] * 10
        for j in range(9):
            ch[mp[i][j]] = 1
        if sum(ch) != 9:
            return "NO"

        ch = [0] * 10
        for j in range(9):
            ch[mp[j][i]] = 1
        if sum(ch) != 9:
            return "NO"

    for i in range(3):
        for j in range(3):
            ch = [0] * 10
            for k in range(3):
                for s in range(3):
                    ch[mp[i*3+k][j*3+s]] = 1
            if sum(ch) != 9:
                return "NO"

    return "YES"


mp = [list(map(int, input().split())) for _ in range(9)]
print(run(mp))