#include #include using namespace std; int main() { int feet;//脚的总数 int minnum,maxnum; while(cin>>feet) { //动物数最少时,兔子最多 if(feet%2!=0) { minnum=0,maxnum=0; cout<<minnum<<" "<<maxnum<<endl; } else { maxnum=(feet/2); if(feet/4==0) { minnum=maxnum; } else { if(feet%4==0)minnum=feet/4; else{ minnum=feet/4+1; } } cout<<minnum<<" "<<maxnum<<endl; } } return 0; }