10055 Hashmat the Brave Warrior

Problem link: 10055 – Hashmat the Brave Warrior
https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=996

#include<stdio.h>
int main()
{
unsigned long long a,b;
while(scanf("%lld %lld",&a,&b)!=EOF){
if(b>a)
printf("%lldn",b-a);
else
printf("%lldn",a-b);
}
return 0;
}

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