#include <iostream.h>
#include <fstream.h>
#include <cvc/string.h>

int main(){
	ifstream InFile("decrypt.txt", ios::nocreate);
	//ofstream OutFile("decrypted.txt");
	fstream OutFile("decrypted.txt", ios::in | ios::out);
	
	if(InFile.fail()){
		cout << "File could not be opened";
		return(0);
	}
	else{
		char ch1, ch2;
		InFile.seekg(0,ios::end);
		int end = InFile.tellg();
		InFile.seekg(0);
		for(int a = 0, int b = 1; InFile.eof() != 1;a+=2, b+=2){
			//InFile.seekg(a);
			InFile >> ch1;
			//InFile.seekg(b);
			InFile >> ch2;
			if(b < end)
				OutFile << ch2;
			if(a < end)
				OutFile << ch1;
		}
	String S;
	OutFile.seekg(0);
	//OutFile >> S;
	getline(OutFile, S);
	cout << S << endl;
	}
return(0);
}