- #include<bits/stdc++.h>
- using namespace std;
- int main()
- {
- long int a,b,c;
- while(cin>>a>>b>>c)
- {
- pair<long long int,char> candidate[3];
- candidate[0]={a,'A'};
- candidate[1]={b,'B'};
- candidate[2]={c,'C'};
- sort(candidate,candidate+3);
- if(candidate[0].first+candidate[1].first>candidate[2].first)
- {
- cout<<candidate[1].second<<endl;
- }
- else
- {
- cout<<candidate[2].second<<endl;
- }
- }
- return 0;
- }
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