System Error
ValueError("invalid literal for int() with base 10: ''",)
ValueError("invalid literal for int() with base 10: ''",)
#include <stdio.h>
int F(int n)
{
int i, s1 = 1, s2 = 1, s3 = 1;
for (i = 3; i <= n; i++)
{
s3 = s1 + s2;
if (s3 > 10007)
s3 -= 10007;
s1 = s2;
s2 = s3;
}
return s3;
}
int main()
{
int n;
scanf("%d", &n);
printf("%d", F(n));
return 0;
}