yuki = gets.split.map(&:to_i)
s = gets.chomp.split('')
enemy = Hash.new(0)
s.each{|char|
    enemy[char] += 1
    }
enemy = [enemy['G'],enemy['C'],enemy['P']]
win = [[enemy[1],yuki[0]],[enemy[2],yuki[1]],[enemy[0],yuki[2]]].map(&:min)
3.times{|i|
    yuki[i] -= win[i]
    enemy[i] -= win[(i + 2) % 3]
    }
draw = []
3.times{|i|
    draw.push([yuki[i],enemy[i]].min)
    }
p win.inject(&:+) * 3 + draw.inject(&:+)