#include <iostream> using namespace std; int main() { int a,b,c,x,y; cin>>a>>b>>c; for (int i = 1; i <=a; i++) { cout<<"（"<<b<<","<<i<<"）"; } cout<<endl; for (int j = 1; j <=a; j++) { cout<<"（"<<j<<","<<c<<"）"; } cout<<endl; for (int k = 1; k <=a; k++) { x=k+c-b; if(1<=x<=4){ cout<<"（"<<k<<","<<x<<"）"; } } cout<<endl; for (int l = 1; l <=a; l++) { y=b+c-l; if(0<y<5){ cout<<"（"<<y<<","<<l<<"）"; } } return 0; }