include<bits/stdc++.h>

using namespace std; char c; int n,l,x,y; int main(){

cin>>x>>c>>y;
if(c=='+'){
	cout<<"结果为"<<x+y<<endl; 
}
if(c=='-'){
	cout<<"结果为"<<x+y<<endl;
}
if(c=='x'||c=='*'){
	cout<<"结果为"<<x*y<<endl;
}
if(c=='/'||c=='÷'){
	cout<<"结果为"<<x/y<<endl;
}
if(c=='^'){
	cout<<"结果为"<<pow(x,y)<<endl;
}

}