This documentation is automatically generated by online-judge-tools/verification-helper
// verification-helper: PROBLEM https://yukicoder.me/problems/4569
#include<bits/stdc++.h>
using namespace std;
#define call_from_test
#include "../../io/single.cpp"
#include "../../mod/rint.cpp"
#undef call_from_test
signed main(){
cin.tie(0);
ios::sync_with_stdio(0);
int p,n;
cin>>p>>n;
auto as=read(n);
string s;
cin>>s;
using R = Rint<int>;
R::set_mod(p);
R ans(as[0]);
for(int i=1;i<n;i++){
if(s[i-1]=='+') ans+=R(as[i]);
if(s[i-1]=='-') ans-=R(as[i]);
if(s[i-1]=='*') ans*=R(as[i]);
if(s[i-1]=='/') ans/=R(as[i]);
}
cout<<ans<<endl;
return 0;
}
#line 1 "test/yukicoder/4569.test.cpp"
// verification-helper: PROBLEM https://yukicoder.me/problems/4569
#include<bits/stdc++.h>
using namespace std;
#define call_from_test
#line 1 "io/single.cpp"
#line 3 "io/single.cpp"
using namespace std;
#endif
//BEGIN CUT HERE
template<typename T=int>
vector<T> read(size_t n){
vector<T> ts(n);
for(size_t i=0;i<n;i++) cin>>ts[i];
return ts;
}
//END CUT HERE
#ifndef call_from_test
signed main(){
return 0;
}
#endif
#line 1 "mod/rint.cpp"
#line 3 "mod/rint.cpp"
using namespace std;
#endif
//BEGIN CUT HERE
template<typename T>
struct Rint{
inline static T mod;
static void set_mod(T nmod){mod=nmod;}
T v;
Rint():v(0){}
Rint(signed v):v(v){}
Rint(long long t){v=t%mod;if(v<0) v+=mod;}
Rint pow(long long k){
Rint res(1),tmp(v);
while(k){
if(k&1) res*=tmp;
tmp*=tmp;
k>>=1;
}
return res;
}
static Rint add_identity(){return Rint(0);}
static Rint mul_identity(){return Rint(1);}
Rint inv(){return pow(mod-2);}
Rint& operator+=(Rint a){v+=a.v;if(v>=mod)v-=mod;return *this;}
Rint& operator-=(Rint a){v+=mod-a.v;if(v>=mod)v-=mod;return *this;}
Rint& operator*=(Rint a){v=1LL*v*a.v%mod;return *this;}
Rint& operator/=(Rint a){return (*this)*=a.inv();}
Rint operator+(Rint a) const{return Rint(v)+=a;}
Rint operator-(Rint a) const{return Rint(v)-=a;}
Rint operator*(Rint a) const{return Rint(v)*=a;}
Rint operator/(Rint a) const{return Rint(v)/=a;}
Rint operator-() const{return v?Rint(mod-v):Rint(v);}
bool operator==(const Rint a)const{return v==a.v;}
bool operator!=(const Rint a)const{return v!=a.v;}
bool operator <(const Rint a)const{return v <a.v;}
};
template<typename T>
ostream& operator<<(ostream &os,Rint<T> m){os<<m.v;return os;}
//END CUT HERE
#ifndef call_from_test
signed main(){
return 0;
}
#endif
#line 9 "test/yukicoder/4569.test.cpp"
#undef call_from_test
signed main(){
cin.tie(0);
ios::sync_with_stdio(0);
int p,n;
cin>>p>>n;
auto as=read(n);
string s;
cin>>s;
using R = Rint<int>;
R::set_mod(p);
R ans(as[0]);
for(int i=1;i<n;i++){
if(s[i-1]=='+') ans+=R(as[i]);
if(s[i-1]=='-') ans-=R(as[i]);
if(s[i-1]=='*') ans*=R(as[i]);
if(s[i-1]=='/') ans/=R(as[i]);
}
cout<<ans<<endl;
return 0;
}