func_code_string: #include <bits/stdc++.h>   using namespace std;   int dirx[8] = {1, 0, -1, 0, 1, -1, -1, 1};   int diry[8] = {0, 1, 0, -1, 1, 1, -1, -1};   string str1, str2;   int main() {     int n, m;     cin >> n >> m;     cin >> str1 >> str2;     if (str1[0] ==  >  && str2[0] ==  v  || str1[0] ==  <  && str2[0] ==  ^ )       cout <<  NO ;     else if (str1[0] ==  >  && str2[m - 1] ==  ^  ||              str1[0] ==  <  && str2[m - 1] ==  v )       cout <<  NO ;     else if (str1[n - 1] ==  >  && str2[0] ==  ^  ||              str1[n - 1] ==  <  && str2[0] ==  V )       cout <<  NO ;     else if (str1[n - 1] ==  >  && str2[m - 1] ==  v  ||              str1[n - 1] ==  <  && str2[m - 1] ==  ^ )       cout <<  NO ;     else       cout <<  YES ;   }   