说明

&nbsp 算法训练&nbsp A+B&nbsp problem&nbsp  
时间限制：1.0s&nbsp  &nbsp 内存限制：1.0GB
 &nbsp  &nbsp
问题描述
　　Given&nbsp two&nbsp integers&nbsp A&nbsp and&nbsp B,&nbsp your&nbsp task&nbsp is&nbsp to&nbsp output&nbsp their&nbsp sum,&nbsp A+B.
输入格式
　　The&nbsp input&nbsp contains&nbsp of&nbsp only&nbsp one&nbsp line,&nbsp consisting&nbsp of&nbsp two&nbsp integers&nbsp A&nbsp and&nbsp B.&nbsp (0&nbsp ≤&nbsp A,B&nbsp ≤&nbsp 1&nbsp 000)
输出格式
　　The&nbsp output&nbsp should&nbsp contain&nbsp only&nbsp one&nbsp number&nbsp that&nbsp is&nbsp A+B.
样例输入
1&nbsp 1
样例输出
2