#include <iostream> #include <vector> using namespace std; int main() { int i=0; int m=0; int count=0; vector <int> a; vector <int> b; while(cin>>m) { if(count==0) { a.push_back(m); } else { b.push_back(m); } if(getchar()=='\n') { count=1; } } int len1=a.size(); int len2=b.size(); int x=0; int y=0; for(i=0;i<len1+len2;i++) { if(x<len1 && y<len2) { if(a[x]<=b[y]) { cout<<a[x]; x++; } else { cout<<b[y]; y++; } } else { if(x>=len1) { cout<<b[y]; y++; } else { cout<<a[x]; x++; } } if(i!=len1+len2-1) { cout<<" "; } } return 0; }