#include using namespace std; #define F first #define S second #define R cin>> #define ln cout<<'\n' #define ll long long #define in(a) insert(a) #define pb(a) push_back(a) #define pd(a) printf("%.12f\n",a) #define mem(a) memset(a,0,sizeof(a)) #define all(c) (c).begin(),(c).end() #define iter(c) __typeof((c).begin()) #define rrep(i,n) for(ll i=(ll)(n)-1;i>=0;i--) #define REP(i,m,n) for(ll i=(ll)(m);i<(ll)(n);i++) #define rep(i,n) REP(i,0,n) #define tr(it,c) for(iter(c) it=(c).begin();it!=(c).end();it++) ll check(ll n,ll m,ll x,ll y){return x>=0&&x=0&&yvoid pr(const A &a,const B&...b){cout<void PR(A a,ll n){rep(i,n)cout<<(i?" ":"")< P; ll mod_pow(ll x,ll n,ll mod){ if(!n)return 1; ll res=mod_pow(x*x%mod,n/2,mod); if(n&1)res=res*x%mod; return res; } void Main() { ll n,x,y; cin >> n >> x >> y; ll a[n]; rep(i,n) cin >> a[i]; sort(a,a+n); ll d1[n],d2[n],d3[n],d4[n]; rep(i,n) { d1[i]=mod_pow(10,a[i],x); d2[i]=mod_pow(9,a[i],x); d3[i]=mod_pow(7,a[i],x); d4[i]=mod_pow(5,a[i],x); } ll d[x]; mem(d); ll ans=0; rep(i,n) { REP(j,i+1,n) { REP(k,j+1,n) { ll c=d2[i]+d3[j]+d4[k]; c%=x; ll z=(y+x-c)%x; ans+=d[z]; } } d[d1[i]]++; } pr(ans); } int main(){ios::sync_with_stdio(0);cin.tie(0);Main();return 0;}