#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(0<x<5){ 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; }