# include <bits/stdc++.h>
using namespace std;
int s1,s2,s3,t[85],ans,num;
int main(){
    cin>>s1>>s2>>s3;
    for (int u=1;u<=s1;u++)
        for (int v=1;v<=s2;v++)
            for (int w=1;w<=s3;w++)
                if (++t[u+v+w]>num)
                    num=t[u+v+w],ans=u+v+w;
    cout<<ans;
    return 0;
}