[ZJ]a148. You Cannot Pass?!

題目：
http://zerojudge.tw/ShowProblem?problemid=a148
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#include<cstdio>
int main()
{
    int n;
    while(scanf("%d",&n)!=EOF)
{
    long long int a,sum =0 ;
        for (int i=0 ;i<n;i++)
scanf("%d",&a),sum += a;
        printf("%s\n",(sum <=n *59 ?"yes" :"no" ));
    }
    return 0;
}