#include <iostream>
#include <cstring>
#include <algorithm>
using namespace std;
int main()
{
int s, m, l;
scanf("%d%d%d", &s, &m, &l);
int cnt = s * 1 + m * 2 + l * 3;
if(cnt >= 10)
{
printf("happy");
}else
{
printf("sad");
}
return 0;
}
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