#include <bits/stdc++.h>
#include <iostream>
using namespace std;
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define rep(i,a,b) for(LL i = a;i<b; i++)
#define rrep(i,a,b) for(LL i = a;i>b; i--)
#define tobirep(i,a,b,c) for(LL i = a;i<b; i+=c)
#define tobirrep(i,a,b,c) for(LL i = a;i>b; i-=c)
#define INF ((1LL<<62)-(1LL<<31))
#define ooki 9223372036854775807
#define tii -9223372036854775808
typedef long long LL;
int main(){
   ios::sync_with_stdio(0);cin.tie(nullptr);
   LL n,m,mod,sum=0;
  cin >> n >> m >> mod;
   char c;
  cin >> c;
  if(c=='+'){
    rep(i,0,m){LL a;cin >> a;sum+=a*n%mod;}
    rep(i,0,n){LL b;cin >> b;sum+=b*m%mod;}
  }
  if(c=='*'){
   LL a=0,b=0;
   rep(i,0,m){LL g;cin>>g;a=(a+g)%mod;}
   rep(i,0,n){LL g;cin>>g;b=(b+g)%mod;}
   sum=a%mod*b%mod;
  }
  cout << sum%mod << endl;
}