func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     int m, n;     cin >> m >> n;     char a[m], b[n];     for (int i = 0; i < m; i++) cin >> a[i];     for (int i = 0; i < n; i++) cin >> b[i];     if ((a[0] ==  <  && b[0] ==  ^ ) || (a[0] ==  >  && b[n - 1] ==  ^ ) ||         (a[m - 1] ==  <  && b[0] ==  v ) || (a[m - 1] ==  >  && b[n - 1] ==  v ))       cout <<  NO  << endl;     else       cout <<  YES  << endl;   }   