题解 | #格式化输出（二）#
格式化输出（二）
https://www.nowcoder.com/practice/3bd78a6de34a447fa49571a03f164fd3
import sys
name = input()
print(name.lower(), name.upper(), name.title(), sep = '\n')
for line in sys.stdin:
a = line.split()
print(int(a[0]) + int(a[1]))
