#include <cstdio>

using namespace std;
int x,y,q;
int main()
{
    //freopen ("modele.in","r",stdin);
    //freopen ("modele.out","w",stdout);
    for (x=199;x>=0;x--)
    {
       printf ("%d %d\n", x, x);
       fflush(stdout);
    }
    return 0;
}