problem B

#include<stdio.h>
int main()
{
    long long int u,d,t,s;
    scanf("%lld %lld %lld",&d,&u,&t);
    s=(u*t)+(0.5*10*t*t);

    if(s>d+5)
        printf("Hits a six\n");
    else if(s<d-15)
        printf("Not out\n");
    else
        printf("Out\n");
    return 0;
}