#define _USE_MATH_DEFINES
#include <algorithm>
#include <cstdio>
#include <functional>
#include <iostream>
#include <cfloat>
#include <climits>
#include <cstring>
#include <cmath>
#include <map>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <time.h>
#include <vector>
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> i_i;
typedef pair<ll, int> ll_i;
typedef pair<double, int> d_i;
typedef pair<ll, ll> ll_ll;
typedef pair<double, double> d_d;
struct edge { int u, v, w; };

ll MOD = 1000000007;
ll _MOD = 1000000009;
double EPS = 1e-10;
int INF = INT_MAX / 2;

vector< vector<ll> > matmul(vector< vector<ll> >& A, vector< vector<ll> >& B) {
	int n = A.size();
	vector< vector<ll> > C(n, vector<ll>(n));
	for (int i = 0; i < n; i++)
		for (int j = 0; j < n; j++)
			for (int k = 0; k < n; k++)
				C[i][j] = (C[i][j] + A[i][k] * B[k][j]) % MOD;
	return C;
}

vector< vector<ll> > matpow(vector< vector<ll> > A, ll x) {
	int n = A.size();
	vector< vector<ll> > B(n, vector<ll>(n));
	for (int i = 0; i < n; i++) B[i][i] = 1;
	while (x > 0) {
		if (x % 2) B = matmul(B, A);
		x /= 2;
		A = matmul(A, A);
	}
	return B;
}

int pow_mod(ll x, ll n, int m) {
	if (n == 0) return 0;
	ll res = 1;
	for (; n > 0; n >>= 1) {
		if (n & 1) res = (res * x) % m;
		x = (x * x) % m;
	}
	return res;
}

int main() {
	vector< vector<ll> > A(2, vector<ll>(2));
	A[0][0] = 1; A[0][1] = 1;
	A[1][0] = 1; A[1][1] = 0;
	vector<ll> a(201);
	a[0] = 1;
	for (int i = 1; i <= 200; i++)
		a[i] = a[i - 1] * 10 % (MOD - 1);
	int N; cin >> N;
	ll ans = 1;
	while (N--) {
		ll C; string D; cin >> C >> D;
		ll x = matpow(A, C + 1)[0][0];
		ll y = 0;
		for (int i = 0; i < D.length(); i++)
			y = (y + a[D.length() - i - 1] * (D[i] - '0')) % MOD;
		ans = ans * pow_mod(x, y, MOD) % MOD;
	}
	cout << ans << endl;
}