#include <stdio.h>
int main( ) {
int a, b;
scanf("%d", &a);
b = (a * (a * a)) + 1;
if (b % 3 == 0) b = b / 3;
if (b % 5 == 0) b = b / 5;
if (b % 7 == 0) b = b / 7;
if (b % 9 == 0) b = b / 9;
if (b % 11 == 0) b = b / 11;
if (b % 13 == 0) b = b / 13;
if (b % 15 == 0) b = b / 15;
printf("%d \n", (100 * a – b) / 2);
return 0;
}
输入：10
输出：1
