def prod(mat0,mat1):
    mat=[0]*4
    for i in range(2):
        for j in range(2):
            for k in range(2):
                mat[i<<1|k]+=mat0[i<<1|j]*mat1[j<<1|k]%mod
                mat[i<<1|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],d,mod)
    ans%=mod
print(ans)