if divisible by 4
if ( n % 4 == 0 ) { Console . WriteLine ( " First ▁ " + " subset ▁ sum ▁ = ▁ " + s / 2 ) ; Console . WriteLine ( " Second ▁ " + " subset ▁ sum ▁ = ▁ " + s / 2 ) ; Console . WriteLine ( " Difference " + " ▁ = ▁ " + 0 ) ; } else {