#include <ctime>
#include <iostream>
using namespace std;
int main() {
// your code goes here
time_t now = time(0);
tm *nowTm = gmtime(&now);
cout << nowTm->tm_year << "/" << nowTm->tm_mon << "/" << nowTm->tm_mday;
cout << endl;
cout << nowTm->tm_year + 1900 << "/" << nowTm->tm_mon + 1 << "/" << nowTm->tm_mday;
return 0;
}
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