#include <iostream>
using namespace std;
int main ()
{
setlocale(LC_CTYPE, "");
auto n =
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i){return [i,p,r](auto n){return r(i)(p(i)(n));};});};})([p](auto i){return [i,p](auto n){return p(i)(p(i)(n));};})([p,r](auto i){return [i,p,r](auto n){return r(i)(p(i)(n));};});};})([p](auto i){return [i,p](auto n){return p(i)(p(i)(n));};})([p,r](auto i){return [i,p,r](auto n){return r(i)(p(i)(n));};});};})([p](auto i){return [i,p](auto n){return p(i)(p(i)(n));};})([p,r](auto i){return [i,p,r](auto n){return r(i)(p(i)(n));};});};})([p](auto i){return [i,p](auto n){return p(i)(p(i)(n));};})(r);};})([](auto i){return [i](auto n){return i(n);};})([](auto i){return [](auto n){return n;};});};})(r))))))))))))));};})([append,inc,zero](auto a){return [a,append,inc,zero](auto b){return append(a(inc)(zero));};})([](auto i){return [](auto n){return n;};});};};}
;auto inc = [](int a){ return ++a; };
auto cat = [](wchar_t a){ wcout << a; return 0;};
return n(cat)(0)(inc);
}

#include <iostream>
 
using namespace std;
 
int main ()
{
  setlocale(LC_CTYPE, "");
  auto n =
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  ;auto inc = [](int a){ return ++a; };
  auto cat = [](wchar_t a){ wcout << a; return 0;};
  return n(cat)(0)(inc);
}
