#include <sstream>
#include <iostream>
using namespace std;
int main() {
stringstream ss;
int t1;
ss << std::hex;
ss << 90;
ss << " ";
ss >> t1;
int t2 = 0;
ss << 8;
ss << " ";
ss >> t2;
double t3 = 0;
ss << 5.6;
ss >> t3;
cout << "t1: " << t1 << ", t2: " << t2 << ", t3: " << t3;
}
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