Задача 119(23%)

count = int(input())
m = {}
for i in range(count):
    s =list(map(int, input().split()))
    a=0
    while(m.get(s[0]*60*60+s[1]*60+s[2]+a)):
       a= a+0.001
    m.update([[s[0]*60*60+s[1]*60+s[2]+a,s]])
m2 = {}
mt = sorted(m,key=m.get)
for i in mt:
    m2[i]=m[i]
for i in m2:
    s = m2[i]
    print(s[0],s[1],s[2])