/in/foo.c: In function 'main':
/in/foo.c:7:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'scanf'
    7 |         scanf("%d%d",&a,&b);
      |         ^~~~~
/in/foo.c:16:9: error: 'min' undeclared (first use in this function); did you mean 'main'?
   16 |         min=(a/aa)*b;
      |         ^~~
      |         main
/in/foo.c:16:9: note: each undeclared identifier is reported only once for each function it appears in