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#include <stdio.h>
bool div3[8] = {false, false, true, false, false, false, true, false};
int main()
{
long n,i;
long a1=7,a2=11,a3;
while(scanf("%d",&n)!=EOF)
{
if (div3[n%8])
{
printf("yes\n");
}
else
{
printf("no\n");
}
}
return 0;
}
#include <stdio.h>
int main()
{
long n,i;
long a1=7,a2=11,a3;
while(scanf("%d",&n)!=EOF)
{
for(i=2;i <=n;i++)
{
a3=a1+a2;
a1=a2;
a2=a3;
}
if (0 == n)
{
if(a1%3==0)
printf("yes\n");
else
printf("no\n");
}
else
{
if(a2%3==0)
printf("yes\n");
else
printf("no\n");
}
}
return 0;
}