/in/foo.c: In function 'main':
/in/foo.c:6:21: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
     if(a==1 && b==0 && c==0||a==0&&b==1&&c==0||a==0&&b==0&&c==1) 
                     ^
/in/foo.c:6:58: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
     if(a==1 && b==0 && c==0||a==0&&b==1&&c==0||a==0&&b==0&&c==1) 
                                                          ^
/in/foo.c:13:5: error: expected declaration or statement at end of input
     return 0;
     ^