import strutils, sequtils

when isMainModule:
    let a = stdin.readLine.split.map(parseInt)

    if a[0] != a[1] and a[1] != a[2] and a[2] != a[0] and (max(a) == a[1] or min(a) == a[1]):
        echo("INF")
    else:
        var cnt = 0
        for p in 1..max(a):
            let (m0, m1, m2) = (a[0] mod p, a[1] mod p, a[2] mod p)
            if m0 != m1 and m1 != m2 and m0 != m2 and (max([m0, m1, m2]) == m1 or min([m0, m1, m2]) == m1):
                cnt += 1
        echo(cnt)