include <bits/stdc++.h>
using namespace std;
int main() {
int inNum;
while (cin >> hex >> inNum) {
cout << dec << inNum << endl;
}
return 0;
}
using namespace std;
int main() {
int inNum;
while (cin >> hex >> inNum) {
cout << dec << inNum << endl;
}
return 0;
}