#include <iostream>
using namespace std;

int main()
{
int dev;
cout<<"Choose an action:\n 1.Sum\n 2.Sub\n 3.Mult\n 4.Div\n";
cin>>dev;

int a;
cout<<"Type first num:";
cin>>a;

int b;
cout<<"Type second num:";
cin>>b;

int sum = a + b;
int sub = a - b;
int mult = a * b;
int div = a / b;

if(dev == 1){
cout<<"The Sum:"<<sum<<endl;
}
if(dev == 2){
cout<<"The Sub:"<<sub<<endl;
}
if(dev == 3){
cout<<"The Mult:"<<mult<<endl;
}
else{
cout<<"The Div:"<<div<<endl;
}
return 0;
}