Submission #1722510

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Source Code Expand

#include<bits/stdc++.h>
#define ll long long
using namespace std;

int main(){
    ll n,m,a = 1;
    cin >> n >> m;
    for(int i = 0; i < n; i++){
        if(a*2 < (m + a)){
            a *= 2;
        }else{
            a += m;
        }
    }
    cout << a << endl;
    return 0;
}

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