#include <stdio.h>
int main(){
int a,b,c;
int temp;
if (scanf("%d",&a)!=EOF && scanf("%d",&b)!=EOF && scanf("%d",&c)!=EOF){
if (a>=b){temp=a;a=b;b=temp;}
if (a>=c){temp=a;a=c;c=temp;}
if (b>=c){temp=b;b=c;c=temp;}
printf("%d->%d->%d",a,b,c);
}else{
printf("These sides do not correspond to a valid triangle");
}
return 0;
}
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