View Code of Problem 80

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

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