#include <iostream>
#include<vector>
#include<cstdio>
using namespace std;
int main () {
vector<int> Data(2);
std::string String="ff34";
sscanf(String.c_str(), "%02x%02x",&Data[0],&Data[1]);
for(auto x:Data)
cout<<x<<endl;
return 0;
}
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