#include <cstdio>



int main()
{
    int i = 0;
    int n = 199;
    int j = n;
    int r;
    int line, column, mid;
    int left,right;

    while (true)
    {
        printf("%d %d\n",i,j);
        fflush(stdout);
        scanf("%d",&r);

        if (r == 0)
            return 0;
        if (r > 0)
        {
            line = i;
            left = 0;
            right = j-1;
            while (left <= right)
            {
                mid = (left+right)/2;
                printf("%d %d\n",line,mid);
                fflush(stdout);
                scanf("%d",&r);
                if (r == 0) return 0;
                if (r < 0)
                    left = mid+1;
                else
                    right = mid-1;
            }
        }
        else
        {
            column = j;
            left = i+1;
            right = n;

            while (left <= right)
            {
                mid = (left+right)/2;
                printf("%d %d\n",mid,column);
                fflush(stdout);
                scanf("%d",&r);
                if (r == 0) return 0;
                if (r < 0)
                    left = mid+1;
                else
                    right = mid-1;
            }

        }

        i++;
        j--;
    }


    return 0;
}