/*
TASK:risc
LANG:C++
*/
#include<iostream.h>
 int main()
 {
     
     int n;
     cin>>n;
  if(n==1){cout<<"1\nA\n"; return 0;}
  if(n==3){
  cout<<"8\n?\nB\n+\n+\n+\n+\n+\nLOOP\n";
  return 0;         
           }     
  cout<<n+5<<"\n";         
  cout<<"A=C"<<endl<<"B=A\n";
  for(int i=0;i<n;i++)cout<<"+"<<endl;
  cout<<"B=A\n+\n";  
  cout<<"A";   
     
     
     
     
 }
