Greatest_Of_Three_Numbers.cpp

#include <iostream>
using namespace std;

int main() 
{
   int n1, n2, n3;
   cin >> n1;
   cin >> n2;
   cin >> n3;
   if(n1>=n2 && n1>=n3){
       cout << n1;
   } else if(n2>=n1 && n2>=n3) {
       cout << n2;
   } else{
       cout << n3;
   }
}