#include using namespace std; using ll = long long; using P = pair; #define fix(x) fixed << setprecision(x) #define asc(x) x, vector, greater #define rep(i, n) for(ll i = 0; i < n; i++) #define all(x) (x).begin(),(x).end() templatebool chmin(T&a, const T&b){if(a>b){a=b;return 1;}return 0;} templatebool chmax(T&a, const T&b){if(a> s; vector a; while(s>0){ ll x = sqrt(s); if(x*x>s) x--; x *= x; s -= x; a.push_back(x); } cout << a.size() << '\n'; for(ll x:a) cout << x << ' '; cout << '\n'; return 0; }