This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
#define pii pair<int,int>
#define fs first
#define sc second
int main(){
int k;
cin>>k;
if(k>0){
vector<pii> v;
for(int i = 2;i<=k+2;i++){
v.push_back({1,i});
v.push_back({i,1000});
}
cout<<1000<<' '<<v.size()<<'\n';
for(auto &i:v)cout<<i.fs<<' '<<i.sc<<'\n';
}
return 0;
}
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