/in/foo.c: In function 'main':
/in/foo.c:33:3: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   else
   ^~~~
/in/foo.c:35:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else'
    for(m=m1+2; m<=13; m++)
    ^~~
/in/foo.c: In function 'Month':
/in/foo.c:62:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^