#include<stdio.h>
#define f(a) ((a)*(a)*(a))

int main()
{
    int n;
    while(~scanf("%d", &n))
    {
        int a = n % 10;
        int b = n / 10 % 10;
        int c = n / 10 / 10 % 10;
        if(f(a) + f(b )+ f(c) == n)
            puts("1");
        else puts("0");
    }
    return 0;
}