bonzrank

n=int(raw_input())
arr=[[]]*n
def inputKata(arr,n):
    for i in range(n):
        kata=raw_input()
        arr[i]=[0]*len(kata)
        for j in range(len(arr[i])):
            arr[i][j]=kata[j]
    return arr

def terPanjang(arr):
    panjang=len(arr[0])
    for i in range(1,len(arr)):
        if(panjang