/in/foo.c: In function 'main':
/in/foo.c:6:2: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'scanf'
    6 |  scanf("%f""%f""%f",a,b,c)
      |  ^~~~~
/in/foo.c:8:2: error: expected declaration or statement at end of input
    8 |  printf("%f",x)
      |  ^~~~~~
/in/foo.c:5:12: warning: unused variable 'b' [-Wunused-variable]
    5 |  float x,a,b,c
      |            ^
/in/foo.c:5:10: warning: unused variable 'a' [-Wunused-variable]
    5 |  float x,a,b,c
      |          ^
/in/foo.c:5:8: warning: unused variable 'x' [-Wunused-variable]
    5 |  float x,a,b,c
      |        ^