#include <iostream>
#include <map>
using namespace std;
int main() {
std::map<int, std::map<int,int>> map1;
map1.insert(make_pair(5,std::map<int,int>()));
map1.insert(make_pair(5,std::map<int,int>()));
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8bWFwPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKSB7CglzdGQ6Om1hcDxpbnQsIHN0ZDo6bWFwPGludCxpbnQ+PiBtYXAxOwoJbWFwMS5pbnNlcnQobWFrZV9wYWlyKDUsc3RkOjptYXA8aW50LGludD4oKSkpOwoJbWFwMS5pbnNlcnQobWFrZV9wYWlyKDUsc3RkOjptYXA8aW50LGludD4oKSkpOwoJcmV0dXJuIDA7Cn0=