Main.c: In function 'main':
Main.c:9:5: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
    9 |     else if(t>=18&&t<=25);{
      |     ^~~~
Main.c:9:27: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
    9 |     else if(t>=18&&t<=25);{
      |                           ^
Main.c:12:5: error: 'else' without a previous 'if'
   12 |     else if(t>=25&&t<=27{
      |     ^~~~
Main.c:12:25: error: expected ')' before '{' token
   12 |     else if(t>=25&&t<=27{
      |            ~            ^
      |                         )
Main.c:12:10: note: '-Wmisleading-indentation' is disabled from this point onwards, since column-tracking was disabled due to the size of the code/headers
   12 |     else if(t>=25&&t<=27{
      |          ^~
Main.c:12:10: note: adding '-flarge-source-files' will allow for more column-tracking support, at the expense of compilation time and memory
Main.c:17:1: error: expected declaration or statement at end of input
   17 | }
      | ^