def mat_mul(A, B):
    C = [[0]*len(B[0]) for _ in range(len(A))]
    
    for i in range(len(A)):
        for j in range(len(B[0])):
            C[i][j] = sum(A[i][k]*B[k][j] for k in range(len(B)))%MOD
    
    return C

def mat_pow(A, n):
    res = [[0]*len(A) for _ in range(len(A))]
    
    for i in range(len(A)):
        res[i][i] = 1
        
    while n:
        if n&1:
            res = mat_mul(res, A)
        
        n >>= 1
        A = mat_mul(A, A)
    
    return res

N = int(input())
MOD = 10**9+7
ans = 1

for _ in range(N):
    Ci, Di = map(int, input().split())
    F = mat_mul(mat_pow([[1, 1], [1, 0]], Ci), [[1], [1]])[0][0]
    ans *= pow(F, Di, MOD)
    ans %= MOD

print(ans)