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