#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define loop(i,a,b) for(int i=a;i pii; typedef vector vi; typedef vector vvi; typedef vector vp; typedef vector vvp; typedef vector vs; typedef vector vd; typedef tuple tp; typedef vector vt; typedef vector vvd; typedef pair pip; typedef vectorvip; const double PI=acos(-1); const double EPS=1e-7; const int inf=1e9; const ll INF=2e18; int dx[]={0,1,0,-1}; int dy[]={1,0,-1,0}; int main(){ int a,b; cout<<"0 0"<>a; cout<<"1000000000 0"<>b; // x+y=a // 1000000000-x+y=b cout<<(a-b+1000000000)/2<<" "<<(a+b-1000000000)/2<