#include <bits/stdc++.h>
using namespace std;
int main()
{
int a, b, t;
cin>>a>>b;
cin>>t;
while(t--)
{
if(a%2==0) a++;
for(int i=a; i<=b; i+=2)
cout<<i<<" ";
}
{
if(b%2==0) b++;
for(int i=b; i<=a; i+=2)
cout<<i<<" ";
}
return 0 ;
}
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