/in/foo.c: In function 'main':
/in/foo.c:11:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
     if(a>2)
     ^~
/in/foo.c:13:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
   for(i=3;i<=a;i++)
   ^~~