foo.c: In function 'main':
foo.c:6:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'scanf'
    6 |         scanf("%d|",&a)
      |         ^~~~~
foo.c:6:22: error: 'a' undeclared (first use in this function)
    6 |         scanf("%d|",&a)
      |                      ^
foo.c:6:22: note: each undeclared identifier is reported only once for each function it appears in
foo.c:6:24: error: expected ';' before 'printf'
    6 |         scanf("%d|",&a)
      |                        ^
      |                        ;
    7 |     printf("%dEnjoy yourself.",a);
      |     ~~~~~~              

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