Run id: 87199

Main.cc:1:13: warning: character constant too long for its type
 a=int(input('输入一个整数'))
             ^
Main.cc:2:13: warning: character constant too long for its type
 b=int(input('输入一个整数'))
             ^
Main.cc:3:7: warning: multi-character character constant [-Wmultichar]
 print('a+b')
       ^
Main.cc:1:1: error: 'a' does not name a type
 a=int(input('输入一个整数'))
 ^