uva 10055 Hashmat the Brave Warrior

#include <stdio.h>

int main()
{
long long soldier_nr, opponent_nr;
while (scanf("%lld%lld", &soldier_nr, &opponent_nr) == 2)
{
printf("%lld\n", opponent_nr - soldier_nr > 0 ? opponent_nr - soldier_nr : soldier_nr - opponent_nr);
}
return 0;
}