text: #include<bits/stdc++.h>
  
  using namespace std;
  
  int main(){
      int a,b,c;
  
      cin>>a>>b>>c;
  
      int max= (a>b and a>c)?(a):(b>c ?(b):(c));
  
  cout<<endl;
  cout<<"greatest of threee numbers is "<<max;
  
  
      return 0;
  
  }