import sys

freqs = {}

for line in sys.stdin:
    wlt = line.split("\t")
    if len(wlt) >= 3:
        k = wlt[2][0:2]
        if not wlt[0] in freqs:
            freqs[wlt[0]] = {}
        kold = freqs[wlt[0]]
        if k in kold:
            kold[k] += 1
        else:
            kold[k] = 1
print freqs