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