View Compilation Error

0_0_17017590_10309.cpp: In function 'int main()':
0_0_17017590_10309.cpp:20:3: error: 'lastdy' was not declared in this scope
   lastdy[1]=feb(yar);
   ^
0_0_17017590_10309.cpp:20:17: error: 'yar' was not declared in this scope
   lastdy[1]=feb(yar);
                 ^
0_0_17017590_10309.cpp:26:12: error: 'endle' was not declared in this scope
   cout<<s<<endle;
            ^