#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 if ( (c<b)&&(b<a) )
return 0;
}
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