pt prostu de bunta

#include<bits/stdc++.h>

using namespace std;

ifstream fin ("nrlipsa.in");

ofstream fout ("nrlipsa.out");

int v[1000];

int main ()

{

   int i,x,a=0,b=0;

   while (fin>>x)

   {

       if (x<1000&&x>99)

           v[x]++;

   }

   for (i=999;i>=100;i--)

        if (v[i]==0)

          if (b==0)

           b=i;

          else

          {

              a=i;

              break;

          }

   if (a==0||b==0)

       fout<<"NU"<<'\n';

   else

       fout<<b<<" "<<a<<'\n';

 return 0;

}