#yuki147
import sys

def mul(x, y):
    l=[[0, 0], [0, 0]]
    for i in range(2):
        for j in range(2):
            for k in range(2):
                l[i][j]+=x[i][k]*y[k][j]
            l[i][j]%=mod
    return l

def matpow(n):
    p=[[1, 1], [1, 0]]
    l=[[1, 0], [0, 1]]
    while n>0:
        if n%2:
            l=mul(l, p)
        p=mul(p, p)
        n/=2
    return l

mod=10**9+7
n=int(raw_input())
res=1
for i in range(n):
    c, d=map(int, raw_input().split())
    x=matpow(c+2)[1][0]
    if x==0:
        print 0
        sys.exit()
    res*=pow(x, d%(mod-1), mod)
    res%=mod
print res