#include #include #include using namespace atcoder; using mint = modint1000000007; using namespace std; #define rep(i,n) for (int i = 0; i < (n); ++i) #define Inf 1000000000 int main(){ int n; cin>>n; vector a(101,0); rep(i,n){ int x; cin>>x; a[x]++; } mint ans = 0; rep(i,101){ for(int j=i+1;j<101;j++){ for(int k=j+1;k<101;k++){ ans += a[i] * a[j] * a[k]; } } } cout<