fbkihomeworks/21.10.2026/var4/problem1.py

def boys_percent(boys, girls):
    return boys / (boys + girls) * 100


n = int(input())
classes = []
for i in range(n):
    name, boys, girls = input().split()
    boys = int(boys)
    girls = int(girls)
    classes.append([name, boys, girls, boys_percent(boys, girls)])

for i in range(n - 1):
    for j in range(n - 1 - i):
        if classes[j][3] > classes[j + 1][3]:
            classes[j], classes[j + 1] = classes[j + 1], classes[j]

print("классы по возрастанию процента мальчиков:")
for c in classes:
    print(c[0], round(c[3], 1), "%")

more_boys = []
for c in classes:
    if c[1] > c[2]:
        more_boys.append(c[0])

print("количество классов, где мальчиков больше:", len(more_boys))
print("эти классы:")
for name in more_boys:
    print(name)