#include <stdio.h>
int main(void) {
int a,b,c;
scanf("%d%d%d",&a
,&b
,&c
); if((a<b)&&(b<c)&&(c>a))
else if ((a<b)&&(b>c)&&(c>a))
else if ((a<b)&&(b>c)&&(c<a))
else if ((a>b)&&(b<c)&&(c>a))
else if ((a>b)&&(b<c)&&(c<a))
else if ((a<b)&&(b>c)&&(c<a))
return 0;
}
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