mod = 1000000007


def main():
    import sys
    input = sys.stdin.readline

    N = int(input())
    DL = []
    for _ in range(N):
        d, l = map(int, input().split())
        DL.append((d, l % 6))

    mod10 = [pow(10, i, 7) for i in range(6)]

    dp = [[0] * 6 for _ in range(7)]
    dp[0][0] = 1
    for i in range(N - 1, -1, -1):
        dp_new = [[0] * 6 for _ in range(7)]
        d, l = DL[i]
        if l:
            dd = int(str(d) * l) % 7
        else:
            dd = 0
        for j in range(7):
            for k in range(6):
                dp_new[j][k] = (dp_new[j][k] + dp[j][k]) % mod
                dp_new[(j + dd * mod10[k]) % 7][(k + l) % 6] = (dp_new[(j + dd * mod10[k]) % 7][(k + l) % 6] + dp[j][k])%mod
        dp = dp_new
    ans = 0
    for j in range(7):
        for k in range(6):
            ans = (ans + (j * dp[j][k]) % mod) % mod
    print(ans)


if __name__ == '__main__':
    main()