View Compilation Error

0_0_18241009_15648.cpp: In function 'int main()':
0_0_18241009_15648.cpp:102:25: error: 'x' was not declared in this scope
   long long ans = Lucas(x, y);
                         ^
0_0_18241009_15648.cpp:102:28: error: 'y' was not declared in this scope
   long long ans = Lucas(x, y);
                            ^
0_0_18241009_15648.cpp:125:6: error: redeclaration of 'long long int ans'
   ll ans = Lucas(cc, m - cc);
      ^
0_0_18241009_15648.cpp:102:13: note: 'long long int ans' previously declared here
   long long ans = Lucas(x, y);
             ^