#
# See ../README.md
#

#
# Run as: bc ch-2.bc < input-file
#

while (1) {
    m = read(); if (m == 0) break
    n = read(); if (n == 0) break
    for (i = 1; i <= m * n; i ++) {
        s[i] = 0
    }
    count = 0
    for (i = 1; i <= n; i ++) {
        for (j = 1; j <= m; j ++) {
            if (s[i * j] == 0) {
                count = count + 1
                s[i * j] = 1
            }
        }
    }
    count
}