#include <iostream>
#include <iomanip>
 
bool multiComparision(const char scope) {
   return false;
}
 
template <typename ... T>
bool multiComparision(const char scope, char arg1, T... args)  {
   return ( scope == arg1 || multiComparision(scope, args...));
}
 
int main()
{
   std::cout << std::boolalpha << multiComparision('a', '1', '2', '3') << std::endl;
   std::cout << std::boolalpha << multiComparision('a', 'a', '2', '3') << std::endl;
   std::cout << std::boolalpha << multiComparision('a', '1', '2', 'a') << std::endl;
}
 

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