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#include<iostream>

using namespace std;

int main(){
    int k;
    cin >> k;
    cout << "100\n";
    int a,b;
    for(int i=0;i<33;i++){
        cout << i*3+2 << " " << i*3+3 << "\n";
        a=-1;
        if(i!=32){
            a=i*3+4;
        }
        b=-1;
        if(k%2==1){
            b=100;
        }
        k=k/2;
        cout << a << " " << b << "\n";
        cout << a << " " << -1 << "\n";
    }
    cout << -1 << " " << -1 << "\n";
    return 0;
}