zoj 2277 The Gate to Freedom

#include<stdio.h>
#include<math.h>

int main(void)
{
double n;
while(scanf("%lf",&n) != EOF)
{
n = n*log10(n);
n = n - (long long int)n;
n = pow(10,n);
while((int)n == 0)
n *= 10;
printf("%d\n",(int)n);
}
return 0;
}