View Code of Problem 80

#include<stdio.h>
int main()
{
	int i,n;
	while(scanf("%d", &n)!=EOF)
	{	
		int t=0,m=3;
		if(n==0)
		{
			break;
		}
		else if(n==1)
		{
			printf("1\n");
		}
		  
		else if(n==2)
		{
			printf("2\n");
		}
		else
		{
			for(int i=2;i<=n;i++)
			{
				t=(t+m)%i;
								
			}
			printf("%d\n",t+1);	
		}
	}
	return 0;
}