name=input('姓名')
chengji=100
pingjia=['不及格！','合格！','优秀！','满分！']
if 0<=chengji<60:
    print(f'{name}，你的成绩是{chengji}，{pingjia[1]}')
elif 60<=chengji<80:
    print(f'{name}，你的成绩是{chengji}，{pingjia[2]}')
elif 80<=chengji<100:
    print(f'{name}，你的成绩是{chengji}，{pingjia[3]}')
elif chengji==100:
    print(f'{name}，你的成绩是{chengji}，{pingjia[4]}')
else:
    print(f'{name}，成绩无效。')