def ReadStud(n):
    StudName = []
    for i in range(0, n):
        StudName.append(input('Please enter student name ' + str(i + 1) + ':'))
    return StudName


def IsDigitInString(s):
    ret = False
    for i in range (0,len(s)):
        if s[i].isdigit():
           ret=True

    return ret


SN = ReadStud(10)
for i in range(0, 10):
    if not IsDigitInString(SN[i]):
       print(SN[i])