MOD = 10**9+7

def repeatedSquaring(n, p):
    if p == 0:
        return 1
    if p % 2 == 0:
        t = repeatedSquaring(n, p / 2)
        return t * t % MOD
    return n * repeatedSquaring(n, p - 1) % MOD

def mul(a,b):
	c = [[0]*len(b[0]) for i in range(len(a))]
	for i in range(len(a)):
		for k in range(len(b)):
			for j in range(len(b[0])):
				c[i][j]=(c[i][j]+a[i][k]*b[k][j]) % MOD
	return c

def pows(a,n):
	b =[ [0] * len(a) for i in range(len(a))]
	for i in range(len(a)):
		b[i][i] = 1
	
	#aを2乗していき、nの２進数表記が1の箇所のみを掛け合わせせていく
	while n > 0:
		if n & 1 == 1:
			#nの1の位が0のとき
			b = mul(a,b)
		a = mul(a,a)
		n  = n>> 1
		
	return b


n = int(input())
A = [[1,1],[1,0]]
ans = 1
for i in range(n):
    c, d = map(int, input().split())
    t = pows(A,c+2)[1][0]
    ans = ans * repeatedSquaring(t, d) % MOD
    
print(ans)