#include<iostream>

using namespace std;

int main()

{

float wanghan,yuanshen;

char op;

cin>>wanghan>>yuanshen>>op;

switch(op)

{

case'+':cout<<wanghan+yuanshen<<endl<<"汪C是op"<<endl;break;

case'-':cout<<wanghan-yuanshen<<endl<<"汪C是原批"<<endl;break;

case'*':cout<<wanghan*yuanshen<<endl<<"汪C是超級op"<<endl;break;

case'/':cout<<wanghan/yuanshen<<endl<<"汪C是傘兵op"<<endl;break;

default:cout<<"你是OP!!!!!"<<endl;

}

return 0;

}?