#include <iostream>
#include <cstdio>
namespace std {
namespace ios_base2 {
extern struct sync_with_stdio_t {
void h(bool sync = true) {
ios_base::sync_with_stdio(sync);
}
} sync_with_stdio;
}
}
int main() {
std::ios_base2::sync_with_stdio.h(false);
std::cout << "1";
printf("2");
std::cout << "3";
puts("");
return 0;
}
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