C++ program to find greatest number between three numbers

1. #include<iostream>
2. using namespace std;
3. int main()
4. {
5. int num1,num2,num3;
6. cout<<" Enter value for first number";
7. cin>>num1;
8. 
   
9. cout<<" Enter value for second number";
10. cin>>num2;
11. 
    
12. cout<<" Enter value for third number";
13. cin>>num3;
14. if(num1>num2&&num1>num3)
15. {
16. cout<<" First number is greatest:"<<endl<<"whick is= "<<num1;
17. }
18. else if(num2>num1&&num2>num3)
19. {
20. cout<<" Second number is greatest"<<endl<<"whick is= "<<num2;
21. }
22. else
23. {
24. cout<<" Third number is greatest"<<endl<<"whick is= "<<num3;
25. }
26. return 0;
27. }