/*#include <stdio.h>
int main()
{
int r, t, x, sum=0;
scanf("%d %d", &r, &t);
for(x=r;x<=t;x=x+1)
{
if(x%3==0)
{
sum=sum+x;
}
}
printf("%d", sum);
return 0;
}
*/
/*#include <stdio.h>
int main()
{
int n, i, s, sum=0;
scanf("%d", &n);
for(i=1;i<=n;i=i+1)#include <stdio.h>
{
scanf("%d", &s);
sum=sum+s;
}
printf("%d", sum);
return 0;
}
*/
/*#include <stdio.h>
int main()
{
int p, i, t, sum=0;
scanf("%d", &p);
for(i=1;i<=p;i=i+1)
{
scanf("%d", &t);
if(t%5==0)
{
sum=sum+t;
}
}
printf("%d", sum);
return 0;
}
*/
/*#include <stdio.h>
int main()
{
int p, i, t, sum=0;
scanf("%d", &p);
for(i=1;i<=p;i=i+1)
{
scanf("%d", &t);
if(t%2==1)
{
sum=sum+1;
}
}
printf("%d", sum);
return 0;
}*/
/*#include <stdio.h>
int main()
{
int t, p, sum=0;
scanf("%d", &t);
for(p=1;p<=t;p=p+1)
{
if(p%10==1)
{
sum=sum+1;
}
}
printf("%d", sum);
return 0;
}
*/
/*#include <stdio.h>
int main()
{
int s, x;
scanf("%d", &s);
for(x=1;x<=s;x=x+1)
{
if(s%x==0)
{
printf("%d ", x);
}
}
return 0;
}
*/
/*#include <stdio.h>
int main()
{
int r, l, sum=0;
scanf("%d", &r);
for(l=1;l<=r;l=l+1)
{
if(r%l==0)
{
sum=sum+1;
}
}
if(sum==2)
{
printf("prime");
}
else
{
printf("not prime");
}
return 0;
}
*/
/*#include <stdio.h>
int main()
{
int n, a, l, sum=0;
scanf("%d %d", &n, &a);
for(l=n;l<=a;l=l+1)
{
if(l%2==1)
{
sum=sum+l;
}
else
{
sum=sum-l;
}
}
printf("%d", sum);
return 0;
}
*/
/*#include <stdio.h>
int main()
{
int n, a, num, max=0;
scanf("%d", &n);
for(a=1;a<=n;a=a+1)
{
scanf("%d", &num);
if (num>max)
{
max=num;
}
}
printf("%d", max);
return 0;
}
*/
/*#include <stdio.h>
int main()
{
int q, w, e, sum=1;
scanf("%d %d", &q, &w);
for(e=1;e<=w;e=e+1)
{
sum=sum*q;
}
printf("%d", sum);
return 0;
}
*/