#include<iostream> using namespace std; int main(){ long long a,b; //数据类型是整型int:范围-2^31到2^31-1(-2147483648到2147483647) //long long范围：-2^63到2^63-1 //(-9,223,372,036,854,775,808到9,223,372,036,854,775,807) cin>>a>>b; cout<<(a*10+b)*(a*10+b)<<endl; return 0; }