Z 460 Date Sorting

n=int(input()) 
a=[]
for i in range(n):
    x=list(map(int,input().split()))
    a.append(x)
for j in range(n-1):
    for i in range(j+1,n):
        if(a[i][2]<a[j][2]): a[i],a[j]=a[j],a[i]
        if(a[i][2]==a[j][2]):
            if(a[i][1]<a[j][1]): a[i],a[j]=a[j],a[i]
            if(a[i][1]==a[j][1]):
                if(a[i][0]<a[j][0]): a[i],a[j]=a[j],a[i]
for i in range(n):
    print(*a[i])