#include <bits/stdc++.h>   using namespace std;   int main() {     char c1, c2;     cin >> c1 >> c2;     int n;     cin >> n;     if (n % 2 == 0) {       cout <<  undefined  << endl;     } else {       int n1, n2;       switch (c1) {         case  ^ :           n1 = 1;           break;         case  > :           n1 = 2;           break;         case  v :           n1 = 3;           break;         case  < :           n1 = 4;           break;       }       switch (c2) {         case  ^ :           n2 = 1;           break;         case  > :           n2 = 2;           break;         case  v :           n2 = 3;           break;         case  < :           n2 = 4;           break;       }       n %= 4;       if (n1 != 4) {         if (n2 - n1 == 1) {           if (n == 1)             cout <<  cw  << endl;           else             cout <<  ccw  << endl;         } else {           if (n == 1)             cout <<  ccw  << endl;           else             cout <<  cw  << endl;         }       } else {         if (n1 - n2 == 3) {           if (n == 1)             cout <<  cw  << endl;           else             cout <<  ccw  << endl;         } else {           if (n == 1)             cout <<  ccw  << endl;           else             cout <<  cw  << endl;         }       }     }     return 0;   }   