#include using namespace std; typedef long long ll; #define P pair #define FOR(I,A,B) for(ll I = ll(A); I < ll(B); ++I) #define FORR(I,A,B) for(ll I = ll((B)-1); I >= ll(A); --I) #define TO(x,t,f) ((x)?(t):(f)) #define SORT(x) (sort(x.begin(),x.end())) // 0 2 2 3 4 5 8 9 #define POSL(x,v) (lower_bound(x.begin(),x.end(),v)-x.begin()) //xi>=v x is sorted #define POSU(x,v) (upper_bound(x.begin(),x.end(),v)-x.begin()) //xi>v x is sorted #define NUM(x,v) (POSU(x,v)-POSL(x,v)) //x is sorted #define REV(x) (reverse(x.begin(),x.end())) //reverse ll gcd(ll a,ll b){if(a%b==0)return b;return gcd(b,a%b);} ll lcm(ll a,ll b){ll c=gcd(a,b);return ((a/c)*(b/c)*c);} #define NEXTP(x) next_permutation(x.begin(),x.end()) const ll INF=ll(1e16)+ll(7); const ll MOD=1000000007LL; #define out(a) cout< enum_div(int n){//yakusu vector ret; for(ll i=1 ; i*i<=n ; ++i){ if(n%i == 0){ ret.push_back(i); if(i*i!=n)ret.push_back(n/i); } } return ret; } int main(){ ll N,M,K; cin >> N >> M >> K; ll ans=0; vector A(N),B(M); char op; cin >> op; FOR(i,0,M)cin>>B[i]; FOR(i,0,N)cin>>A[i]; map Bmod; FOR(i,0,M)Bmod[B[i]%K]++; if(op=='+')FOR(i,0,N){ ll x = (K-A[i]%K)%K;; ans += Bmod[x]; } if(op=='+'){ cout << ans << endl; return 0; } auto y = enum_div(K); sort(y.begin(), y.end()); reverse(y.begin(), y.end()); map a_div,b_div; for(auto x:y){ vector anex; for(auto a:A){ if(a%x==0){ a_div[x]++; }else{ anex.push_back(a); } } A = anex; } for(auto x:y){ vector bnex; for(auto b:B){ if(b%x==0){ b_div[x]++; }else{ bnex.push_back(b); } } B = bnex; } if(op=='*')for(auto a:a_div){ for(auto b:b_div){ if(a.first*b.first%K==0){ ans += a.second*b.second; } } } cout << ans << endl; }