print 'Example 1: '
white = 40
black = 45
whіtе = white + 6.5 # komi
score = white - black
if score>0 then puts 'white wins'
else            puts 'black wins'
end

print 'Example 2: '
white = 40
black = 45
white​ = white + 6.5 # komi
score = white - black
if score>0 then puts 'white wins'
else            puts 'black wins'
end

print 'Example 3: '
50 => ‪white‬
40 => ‮‪black‬
score = ‮‪black‬ - ‪white‬
if score>0 then puts 'white wins'
else            puts 'black wins'
end

print 'Example 4: '
　 = 50
​  = 40
if ​-　> 0 then puts 'white wins'
else          puts 'black wins'
end