import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################
n = ni()
m = 7
mod = 10**9+7
d,l = zip(*[na() for i in range(n)][::-1])
m11 = [0,1,11%7,111%7,1111%7,11111%7]
m10 = [1,10%7,100%7,1000%7,10000%7,100000%7]
dp = [[0 for j in range(m)]for i in range(m)]
dp[0][1] = 1

for i in range(n):
    ndp = [[0 for j in range(m)]for i in range(m)]
    ndp, dp = dp, ndp
    for j in range(m):
        for k in range(m):
            if ndp[j][k] == 0:
                continue
            now = ndp[j][k]
            nj = j
            nk = k
            dp[nj][nk] += now
            dp[nj][nk] %= mod
            nj = (j + k * m11[l[i]%6]*d[i])%m
            nk = k * m10[l[i]%6]%m
            dp[nj][nk] += now
            dp[nj][nk] %= mod
            #print(i,j, k, nj,nk)
ans = 0
for i in range(m):
    for j in range(m):
        ans += i * dp[i][j] % mod
        ans %= mod
    #print(*dp[i])
print(ans)