#include \"stdio.h\"
typedef enum weekday
{sun,mon,tue,wed,thu,fri,sat} week;typedef enum ledstate{on,off,tri} state;void main(){week a,b,c,d;
state ledon,ledoff,ledtri;a=sun;b=mon;c=tue;ledon=on;ledoff=off;ledtri=tri;
d=(enum weekdat)4;
printf(\"%d\\n%d\\n%d\\n%d\\n\
printf(\"ledon=%d\\nledoff=%d\\nledtri=%d\\n\}
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