foo.c: In function 'main':
foo.c:19:5: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
     else
     ^~~~
foo.c:24:6: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
      a=(int)x/10000;
      ^
foo.c:31:25: warning: format '%d' expects a matching 'int' argument [-Wformat=]
      printf("%d%d%d%d%d%d\n",e,d,c,b,a);
                        ~^
foo.c:7:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&x);
  ^~~~~~~~~~~~~~

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