View Code of Problem 3796

#include <stdio.h>


int main ()
{
	long long int n,k;
	int num=1;
	while (~scanf ("%lld%lld",&n,&k))
	{
		if (k<=n)
			printf ("Case #%d: %lld\n",num++,k);
		else
		{
			if ((k-n)%(n-1)!=0)
				printf ("Case #%d: %lld\n",num++,(k-n)%(n-1));
			else
			{
				int tmp=(k-n)/(n-1);
				if (tmp%2==0)
					printf ("Case #%d: %lld\n",num++,n);
				else
					printf ("Case #%d: %lld\n",num++,n-1);
			}
		}
	}
	return 0;
}