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