n = int(input())

mod = 1000000007
def matrixmod(matrix):
    for i in range(2):
        for j in range(2):
            matrix[i][j] %= mod
    return matrix

def matrixmul(a, b):
    res = [[0, 0], [0, 0]]
    for i in range(2):
        for j in range(2):
            for k in range(2):
                res[i][j] += a[i][k] * b[k][j]
    return res

def powmatrix(matrix, p):
    if p == 0:
        return [[1, 0], [0, 1]]
    elif p % 2 == 1:
        return matrixmod(matrixmul(matrix, powmatrix(matrix, p - 1)))
    else:
        res = powmatrix(matrix, p / 2)
        return matrixmod(matrixmul(res, res))

matrix = [[1, 1], [1, 0]]
ans = 1

for i in range(n):
    c, d = map(int, input().split())
    res = powmatrix(matrix, c + 1)[0][0]
    ans *= pow(res, d, mod)
    ans %= mod
print(ans)