#include <iostream>#include <cstdio>#include <cstdlib>#include <cstring>#include <cmath>using namespace std;#define maxn 305struct XPoint{int x, y;XPoint(){}XPoint(int xx, int yy) :x(xx), y(yy){}} aa[maxn], bb[maxn];int n;int len(XPoint &a, XPoint &b){return (a.x - b.x) * (a.x - b.x) + (a.y - b.y) * (a.y - b.y);}bool checkedge(){int a1 = len(aa[0], aa[1]);int b1 = len(bb[0], bb[1]);for (int i =0; i < n; i++)for (int j =0; j < n; j++)if ((long long) a1 * len(bb[i], bb[j]) != (long long) b1 * len(aa[i],aa[j]))return false;return true;}int main(){while (scanf("%d", &n) != EOF && n !=0){bool flag =false;for (int i =0; i < n; i++)scanf("%d%d", &aa[i].x, &aa[i].y);for (int i =0; i < n; i++)scanf("%d%d", &bb[i].x, &bb[i].y);long long d1 = (aa[1].x - aa[0].x) * (aa[2].y - aa[0].y) - (aa[1].y - aa[0].y) * (aa[2].x - aa[0].x);long long d2 = (bb[1].x - bb[0].x) * (bb[2].y - bb[0].y) - (bb[1].y - bb[0].y) * (bb[2].x - bb[0].x);if (checkedge()&& d1 * d2 >=0)flag =true;if (flag)printf("similarn");elseprintf("dissimilarn");}return 0;}
