Removing a line from a file

I have 60 different files. they are arranged like summary_1_1, summay_1_2 like this upto summary_1_10. again, summary_2_1, summary_2_2...so on. I have 6 groups (summary_1 to summary_6) and 10 files in each group. all are txt files.
I need to remove the first line from each file. the first line is the name of the file like summay_1_1 or summary_1_2....
I am using the following code, but it is not running and giving error at line 37. any suggestion??

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  #include <iostream>
#include <fstream>
#include <string>
#include<sstream>
#include<direct.h>

using namespace std;
int main()
{
 	for(int i=1;i<6;i++)
	{
		stringstream aa;
		aa<<"out_"<<i;
		string b=aa.str();
		mkdir(b.c_str());
		
		for(int j=1;j<6;j++)
		{
 stringstream aa;
	aa<<"summary_"<<i<<"_"<<j<<".out";
	string a = aa.str();
  
stringstream oo;
    oo<<b<<"/out_"<<i<<"_"<<j<<".txt";
    string o= oo.str();

stringstream MORECS;
    MORECS<<"MORECS"<<"_"<<i<<"_"<<j;
    string MORECS= MORECS.str();

   ifstream summary (a);
   ofstream out(o); //temporary data storage

   string line;
   while(getline(summary,line)) //reading the summary.out file line by line
   {
	   if(line!= MORECS)
		   out<<line<<endl;
   }
   summary.close();
   out.close();

   //remove(a.c_str());
   //rename(o.c_str(),a.c_str());
 
		}
	}

  system("pause");
  return 0;
}
sorry I did a mistake in the post
the code is
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#include <iostream>
#include <fstream>
#include <string>
#include<sstream>
#include<direct.h>

using namespace std;
int main()
{
 	for(int i=1;i<6;i++)
	{
		stringstream aa;
		aa<<"out_"<<i;
		string b=aa.str();
		mkdir(b.c_str());
		
		for(int j=1;j<10;j++)
		{
 stringstream aa;
	aa<<"summary_"<<i<<"_"<<j<<".out";
	string a = aa.str();
  
stringstream oo;
    oo<<b<<"/out_"<<i<<"_"<<j<<".txt";
    string o= oo.str();

stringstream MORECS;
    MORECS<<"summary"<<"_"<<i<<"_"<<j;
    string MORECS= MORECS.str();

   ifstream summary (a);
   ofstream out(o); //temporary data storage

   string line;
   while(getline(summary,line)) //reading the summary.out file line by line
   {
	   if(line!= MORECS)
		   out<<line<<endl;
   }
   summary.close();
   out.close();

   //remove(a.c_str());
   //rename(o.c_str(),a.c_str());
 
		}
	}

  system("pause");
  return 0;
}
what about line 29? that should give you an error as well and is the source for line 37.

You define two variables with the same name within the same scope
Thank you. I hope now it will run
You will need to change your loops to get all six groups and ten files.

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...
for(int i=1;i<=6;i++)
...
for(int j=1;j<=10;j++)
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