// editor1
#include<iostream>
#include<algorithm>
int main()
{
    int a=12;
    int b=-30;
    int c=55;
    int max_num;
    if(a>=b && a>=c)
    {
        max_num=a;
    }
    else if (b>=a && b>=c)
    {
        max_num=b;
    }
    else
    {
        max_num=c;
    }
    cout<<"The maximum of"<<a<<","<<b<<",and"<<c<<"is:"<<max_num<<endl;
    return 0;
}