View Code of Problem 80

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

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