#include<iostream> using namespace std; int main(){ int n,i,j,a,b; cin>>n>>i>>j; a=i; b=j; for(int x=1;x<=n;x++){ printf("(%d,%d) ",i,x); } cout<<endl; for(int x=1;x<=n;x++){ printf("(%d,%d) ",x,j); } cout<<endl; while(i>0&&j>0){ i--; j--; } i++; j++; while(i<=n&&j<=n){ printf("(%d,%d) ",i,j); i++; j++; } cout<<endl; i=a; j=b; while(j>0&&i<=n){ j--; i++; } j++; i--; while(j<=n&&i>0){ printf("(%d,%d) ",i,j); j++; i--; } }