#include <bits/stdc++.h>
#include<atcoder/all>
using namespace atcoder;
using namespace std;
using ll=long long;
using ld=long double;
ld pie=3.141592653589793;
ll mod=998244353;
ll inf=30000000000000000;//10^17
int main(){
    ll p,q;
    cin >> p >> q;
    ll ans=0;
    vector<pair<ll,ll>>a;
    for (ll i = max(q/p,1LL); i >=0; i++)
    {
        ll x=q*i,y=p*i-q;
        if (y<=0)
        {
            continue;
        }
        if (i*y>=x)
        {
            ll sz=a.size();
            for (ll j = 0; j < sz; j++)
            {
                a.push_back({a[j].second,a[j].first});
            }
            if (i*y==x)
            {
                a.push_back({i,i});
                ans*=2;
                ans++;
                break;
            }else{
                ans*=2;
                break;
            }
        }
        if (x%y==0)
        {
            ans++;
            a.push_back({i,x/y});
        }
    }
    cout << ans << endl;
    sort(a.begin(),a.end());
    for (ll i = 0; i < a.size(); i++)
    {
        cout << a[i].first << ' '<< a[i].second << endl;
    }
    
}