c+++

#include <bits/stdc++.h>
using namespacke std;
int main(){
long n,m;
cin>n>m;
for(int i=1;i<=2n+1;i++){
for(int j=1;j<=2m+1;j++){
if(i%2=1 && j%2=1){
cout<<"-";
}
if(i%2=1 && j%2=0){
cout<<"+";
}
if(i%2=0 && j%2=1){
cout<<"|";
}
if(i%2=0 && j%2=0){
cout<<" ";
}
}
cout<<end;
}
retun 0;
}