#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(x==1||x==2||x==3||x==4){ cout<<"("<<k<<","<<x<<") "; } } cout<<endl; for (int l = 1; l <=a; l++) { y=b+c-l; if(y==1||y==2||y==3||y==4){ cout<<"("<<y<<","<<l<<") "; } } return 0; }