#include <iostream>
#include <vector>
using namespace std;
int mabna = 1000000;
vector<long long> one,zero;
void print(vector<long long> a);
vector<long long> sum(vector<long long> a,vector<long long> b){
    vector<long long> result;
	result.resize(max(a.size(),b.size()));
	for(int i=0;i<min(a.size(),b.size());i++)
		result[i]=a[i]+b[i];
	if(a.size()>b.size())
		for(int i=b.size();i<a.size();i++)
			result[i]=a[i];
	else if(b.size()>a.size())
		for(int i=a.size();i<b.size();i++)
			result[i]=b[i];
	long long last=0;
	for(int i=0;i<result.size();i++){
		result[i]+=last;
		last=result[i]/mabna;
		result[i]%=mabna;
	}
	while(last){
		result.push_back(last%mabna);
		last/=mabna;
	}
	return result;
}
vector<long long> mult(vector<long long> a,vector<long long> b){
	vector<long long> result;
	for(int i=0;i<a.size();i++){
		vector<long long> sub;
		
		for(int j=0;j<i;j++)
			sub.push_back(0);

		for(int j=0;j<b.size();j++){
			sub.push_back(a[i]*b[j]);
		}

		long long last=0;
		for(int j=0;j<sub.size();j++){
			sub[j]+=last;
			last=sub[j]/mabna;
			sub[j]%=mabna;
		}
		while(last){
			sub.push_back(last%mabna);
			last/=mabna;
		}
		
		result=sum(result,sub);
	}
	return result;
}
vector<long long> pow(vector<long long> a,int p){
	if(a.size()==0 or a==zero)
		return zero;
	if(p==0)
		return one;
	if(p%2)
		return mult(pow(mult(a,a),p/2),a);
	else
		return pow(mult(a,a),p/2);
}
void print(vector<long long> a){
	int start = a.size()-1;
	while(start>0 and a[start]==0)
		start--;
	for(int i=start;i>=0;i--){
		long long x=a[i];
		if(x==0)
			x=1;
		while(x<99999 and i!=start){
			cout<<0;
			x*=10;
		}
		cout<<a[i];
	}
	cout<<endl;
}
void strtobig(vector<long long> &a,string s){
	for(int i=s.size()-1;i-5>=0;i-=6){
		int x=0;
		int step=1;
		for(int j=i;j>=i-5;j--){
			x+=(s[j]-'0')*step;
			step*=10;
		}
		a.push_back(x);
	}
	if(s.size()%6){
		int x=0;
		int t=(s.size()/6)*6;
		int step=1;
		for(int j=s.size()-t-1;j>=0;j--){
			x+=(s[j]-'0')*step;
			step*=10;
		}
		a.push_back(x);
	}
}
int main(){
	one.push_back(1);
	zero.push_back(0);
	string aa,bb;
	long p;
	char type;
	while(cin>>type){
		vector<long long> a;
		vector<long long> b;
		if(type=='+'){
			cin>>aa>>bb;
			
			strtobig(a,aa);
			strtobig(b,bb);
			
			print(sum(a,b));
		}
		else if(type=='*'){
			cin>>aa>>bb;

			strtobig(a,aa);
			strtobig(b,bb);
			print(mult(a,b));
		}
		else if(type=='^'){
			cin>>aa;
			cin>>p;
			
			strtobig(a,aa);
			print(pow(a,p));
		}
	}
	return 0;
}