View Compilation Error

1_868_8961_9464.cpp: In function 'int main()':
1_868_8961_9464.cpp:42:2: error: expected ',' or ';' before 'll'
  ll cnt=d[0]*d[1]*d[2]*d[3];
  ^
1_868_8961_9464.cpp:43:15: error: 'cnt' was not declared in this scope
  ll m=gcd(num,cnt);
               ^