#include <iostream>
int main(){
int a,b,c;
std::cout << "Enter: a, b, c";
std::cin >> a >> b >> c;
if((a == b) && (a == c) && and (b == c){
std::cout << "Yes";
}else{
std::cout << "No";
return 0;
}
#include <iostream>
int main(){
int a,b,c;
std::cout << "Enter: a, b, c";
std::cin >> a >> b >> c;
if((a == b) && (a == c) && and (b == c){
std::cout << "Yes";
}else{
std::cout << "No";
return 0;
}