#include <iostream>
using namespace std;
int main()
{
setlocale (LC_ALL,"rus");
int a,b,c,sum
cout <<"Введите a"<<endl;
cin>>a
cout <<"Введите b"<<endl;
cin>>b
cout <<"Введите c"<<endl;
cin>>c
sum=a+b+c;
cout<<'\n'<<sum<<endl;
}