Created
June 29, 2018 07:18
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#include<bits/stdc++.h> | |
using namespace std; | |
int main(){ | |
int n,m;cin>>n>>m; | |
int ans=1900*m+100*(n-m); | |
for(int i=0;i<m;++i){ | |
ans*=2; | |
} | |
cout<<ans<<endl; | |
} |
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