C++ use if else

(find maximum number among 5 number that are stored in variables and show 1st maximum)

**
2nd maximum
**3rd maximum
**4th maximum
**5th maximum
using if else

what i have tried

{  int a,b,c,d;
   int w=0.0,x=0.0,y=0.0,z=0.0;
   cout<<"enter four numbers";
   cin<<a<<b<<c<<d;
   max= a<b||a<c||a<d||b<a||b<c||b<d||d<a||d<b||d<c;
   cout=max:
   max2= max>a||max>b||max>c||max||d;
   cout<<max2; 
  max3.....................................
  cout<<max3 
max4= max3<a||max3<b||max<c||max<d;
cout<<max4;<code>
}