#include <stdio.h> int main(int argc, char* argv[]){ int x,y; int minx,miny,maxx,maxy;
while(1) { scanf("%d %d",&x,&y); if(x == 0 && y == 0) break; maxx = maxy = -230; minx = miny = 230; while( !(x == 0 && y == 0)) //!! { if(x < minx) minx = x; if(x > maxx) maxx = x; if(y < miny) miny = y; if(y > maxy) maxy = y; scanf("%d %d",&x,&y); }
printf("%d %d %d %d/n",minx,miny,maxx,maxy); } return 0;}
