SOS PYTHON 3 NHA MOI NGUOI NHANH NHA

import sys
sys.stdin=open('WORD.inp')
sys.stdout=open('WORD.out','w')
a=list(map(str,input().split()))
res=a[0]
for i in range(1,len(a)):
    if len(res)<len(a[i]):
        res=a[i]
    elif len(res)==len(a[i]):
        res=max(res,a[i])
print(res)

import sys
sys.stdin=open('WORD.inp')
sys.stdout=open('WORD.out','w')

a = [str(c) for c in input().split()]
res = a[0]
for i in a:
    if len(i) > len(res):
        res = i
    elif len(i) == len(res):
        if i > res:
            res = i
print(res)