#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- ll N; ll A,B,C; ll D,E,F; __int128 hoge(__int128 a,__int128 b,__int128 c,__int128 v) { __int128 sum=a*v; __int128 step=v/b; __int128 x=step*(step-1)/2*b+step*(v%b); if(sum>N) return N+1; if(x&&N/c>x) return N+1; return sum+c*x; } void solve() { int i,j,k,l,r,x,y; string s; cin>>N; cin>>A>>B>>C; cin>>D>>E>>F; ll a=0,b=0; for(i=57;i>=0;i--) { if(hoge(A,B,C,a+(1LL<b) cout<<"KUPC"<