View Compilation Error

0_0_34988638_25733.cpp: In function 'int main()':
0_0_34988638_25733.cpp:16:23: error: 'absn' was not declared in this scope
   ans=m+n-gcd(absn(n-m),minn(n,m));
                       ^
0_0_34988638_25733.cpp:16:33: error: 'minn' was not declared in this scope
   ans=m+n-gcd(absn(n-m),minn(n,m));
                                 ^