def groupby_custom(s):
    l_group = []
    l_key = []
    count = 1

    for ind, i in enumerate(s):
        if ind+1 < len(s) and s[ind+1] == s[ind]:
            count += 1
        else:
            l_group.append([i] * count)
            l_key.append(i)
            count = 1

    return zip(l_key, l_group)

s = list(input())

for k, group in groupby_custom(s):
    print(f"({len(list(group))}, {k})", end=" ")

from itertools import groupby

if __name__ == "__main__":
    s = input()
    print(" ".join(f"({len(list(group))}, {key})" for key, group in groupby(s)))

import itertools
string = input()
groups = itertools.groupby(string)
results = []
for key, group in groups:
    count = 0
    for item in group:
        count += 1
    results.append((count, int(key)))

print(*results)

from itertools import groupby
s = input()
for key, group in groupby(s):
    print((len(list(group)), int(key)), end=" ")