def isKadomatsu a,b,c
    if a == b || b == c || c == a
        return false
    end
    if [a,b,c].min == b || [a,b,c].max == b
        return true
    else
        return false
    end
end

a,b,c = gets.split.map(&:to_i)
max = [a,b,c].max
if isKadomatsu(a, b, c)
    puts "INF"
    exit
end
ans = 0
2.upto(max) {|i|
    if isKadomatsu(a % i, b % i, c % i)
        ans += 1
    end
    }
p ans