#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,k,sum=0;
  cin >> n >> m >> k;
  char g;
  cin >> g;
  if(g=='+'){
    rep(i,0,m){
      LL d;
      cin >> d;
     sum = (sum+n*d)%k;
    }
    rep(i,0,n){
      LL d;
      cin >> d;
     sum = (sum+m*d)%k;
    }
   cout << sum << '\n';
  }
  
  if(g=='*'){
    LL cnt1=0,cnt2=0;
   rep(i,0,m){LL o;cin >> o;cnt1+=o;cnt1=cnt1%k;}
   rep(i,0,n){LL h; cin >>h;cnt2+=h;cnt2=cnt2%k;}
   cout << (cnt1*cnt2)%k << '\n';
  }
}