#include <iostream>
using namespace std;
int sb(int a)
{
	a=a+1;
	cnm(a);
	return a;
}
int cnm(int a)
{
	a=a-1;
	return a;
}
int main(int)
{
 int a;
cin>>a;
cout<<"sb"<<sb(a)<<endl;
cout<<"cnm"<<cnm(a)<<endl;
return 0;
}