#include #include using namespace std; using namespace atcoder; typedef int64_t lint; #define rep(i, n) for(int i=0; i; using vvi = vector>; template inline void vin(vector& v) { rep(i, v.size()) cin >> v.at(i); } template inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } template inline void drop(T x) { cout << x << endl; exit(0); } template void vout(vector v) { rep(i, v.size()) { cout << v.at(i) << ' '; } cout << endl; } constexpr lint LINF = LLONG_MAX/2; using pint = pair; using vp = vector; vector divisor(lint n) { vector v; for (lint i = 1; i*i <= n; i++) { if (n % i == 0) { v.push_back(i); if (i*i != n) v.push_back(n/i); } } sort(v.begin(), v.end()); return v; } int main() { lint P, Q; cin >> P >> Q; lint a=0, b=0, c=0, x, y, z; vi v = divisor(Q*Q); vp p; for (lint t : v) { if ((t+Q)%P == 0 && (Q*Q/t+Q)%P == 0) { p.pb({(t+Q)/P, (Q*Q/t+Q)/P}); } } std::cout << p.size() << '\n'; rep(i, p.size()) std::cout << p[i].first << ' ' << p[i].second << '\n'; }