C / C++ / MFC

#include <iostream>
#include <string>
#include <cctype>
using namespace std;
class cart{
public:
	cart(char a[2]="paq"){
		cout << a[0]<<a[1]<<a[2];};
	char left()
	{//int i;
		char a[2];
	swap(a[0],a[1]);
	//i++;
		for (int b=1;b>=2;b++)
			cout << a[b];
	return 'L';
	};

    char right()
	{//int i;
		char  a[2];
	swap(a[2],a[1]);
	//i++;
		for (int b=1;b>=2;b++)
	cout << a[b];
	return 'R';
	};

    char en()
	{//int i;
		char  a[2];
	swap (a[0],a[2]);
	//i++;
		for (int b=1;b>=2;b++)
	cout << a[b];
	return 'E';
	};
	char fo()
	{ //int i;
//	i++;
		char  a[2];
		for (int b=1;b>=2;b++)
	cout << a[b];
	return 'F';
	};
};

int main ()
{cout << "swap the cart juker1,ace,juker2" <<endl;

char b[50];char a[2];a[0]='p';a[1]='a';a[2]='q';
for (int i=1;i>=50;i++){
	cin >>b[i];
	if (b[i]='.') break;
};
	//cart y("p","a","q");
	cart x;
	for (int i=1;i>=50;i++){
	if ((b[i]='l')|(b[i]='L'))  x.left(); 
	else if ((b[i]='r')|(b[i]='R')) x.right();
	else if ((b[i]='e')|(b[i]='E')) x.en();
	else if ((b[i]='f')|(b[i]='F')) x.fo();
	};}</cctype></string></iostream>