View Compilation Error

0_0_16832304_22659.cpp: In function 'int main()':
0_0_16832304_22659.cpp:6:2: error: expected unqualified-id before 'for'
  for(int i=3;i<=52;i++)
  ^
0_0_16832304_22659.cpp:6:14: error: 'i' was not declared in this scope
  for(int i=3;i<=52;i++)
              ^