PAT1006

PAT1006

#include<iostream>
#include<string>
using namespace std;
int main()
{
	char str[3];
	int n;cin>>n;
	for (int i = 0; i < n; i++)cin >> str[i];
	for (int j = 0; j < n; j++)
	{

			switch (n-j)
			{
			case 3:
				for (int h = 0; h<int(str[j])-48; h++)
				{
					cout << "B";
				}
				break;
			case 2:
				for (int h = 0; h<int(str[j]) - 48; h++)
				{
					cout << "S";
				}
				break;
			case 1:
				for (int h = 0; h<int(str[j]) - 48;h++)
				{
					cout << h+1;
				}
				break;

			}
	
	}


}