#include <bits/stdc++.h> using namespace std; int main() { int a,b;char c; cin >> a >> b >> c; if(c == '+') { cout << a + b; } if(c == '-') { cout << a - b; } if(c == '*') { cout << a * b; } if(c == '/') { if(b == 0) { cout << "Divided by zero!"; } else { cout << a / b; } } if(c != '+' && c != '-' && c != '*' && c != '/') { cout << "Invalid operator!"; } return 0; }

#include<iostream>
using namespace std;
int main(){
    int a,b;
    char s;
    cin>>a>>b>>s;
    if(s=='/'&&b==0){
        cout<<"Divided by zero!";
        return 0;
    }
    if(s=='*'){
        cout<<a*b;
    }

    else if(s=='+'){
        cout<<a+b;
    }
    else if(s=='/'){
        cout<<a/b;
    }

    else if(s=='-'){
        cout<<a-b;
    }
    else{
        cout<<"Invalid operator!";
    }
    return 0;
}