#include <vector>
#include <string>
#include <iostream>
#include <iomanip>
using namespace std;
int main(int argc, const char * argv[])
{
std::string s="922337203685477580712324567878";
size_t index;
long long l=std::stoll(s, &index);
if(index!=s.size())
cout << "Error\n";
}
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