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