def prod(mat0,mat1):
    mat=[[0]*2 for i in range(2)]
    for i in range(2):
        for j in range(2):
            for k in range(2):
                mat[i][k]+=mat0[i][j]*mat1[j][k]%mod
                mat[i][k]%=mod
    return mat
N=int(input())
ans=1
mod=10**9+7
M=[[[1,1],[1,0]]]
for i in range(1,60):
    M.append(prod(M[-1],M[-1]))
for n in range(N):
    c,d=map(int,input().split())
    if d>mod:
        d%=mod-1
    mat=[[1,0],[0,1]]
    for b in range(60):
        if c+1>>b&1:
            mat=prod(mat,M[b])
    ans*=pow(mat[0][0],d,mod)
    ans%=mod
print(ans)