max1.cpp

 #include<iostream>

using namespace std;

int main(){

    int a,b,c;

    cin>>a>>b>>c;

    if(a>b){

        if(a>c){

            cout<<a<<endl;

        }

        else{

            cout<<c<<endl;

        }

    }

    else{

        if(b>c){

            cout<<b<<endl;

        }

        else{

            cout<<c<<endl;

        }

    }

return 0;

}