foo.c: In function 'main':
foo.c:8:6: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   i=i+(m%10)^3;
     ~^~~~~~~
foo.c:4:10: warning: variable 'n' set but not used [-Wunused-but-set-variable]
  int i,m,n;
          ^
foo.c:5:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&m);
  ^~~~~~~~~~~~~~

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