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OI-codes/Luogu/problem/P1244/P1244.cpp
2021-01-02 15:30:52 +08:00

11 lines
150 B
C++

#include <bits/stdc++.h>
using namespace std;
int main() {
int h, k;
cin >> h >> k;
cout << (k + 1) * (1 << h) << endl;
return 0;
}