#include <stdio.h>#include <stdlib.h>#include <iostream>#include <algorithm>#define eps 1e-9using namespace std;double k, l, s, w, vv, g = 9.81;int main(){while (1){scanf("%lf %lf %lf %lf", &k, &l, &s, &w);if (k > 0 - eps && k < eps && l > 0 - eps && l < eps && s > 0 - eps && s < eps && w > 0 - eps && w < eps)break;if (l > s - eps)vv = 2 * g * s;elsevv = 2 * g * s - k * (s - l) * (s - l) / w;if (vv < 0 - eps)printf("Stuck in the air.n");else if (vv > 100)printf("Killed by the impact.n");elseprintf("James Bond survives.n");}return 0;}
