# include <iostream>
int main() {
// числа
int a;
int b;
int c;
if (a + b == c or b + c == a or c + a == b) std::cout << 1;
else std::cout << 0;
};
# include <iostream>
int main() {
// числа
int a;
int b;
int c;
if (a + b == c or b + c == a or c + a == b) std::cout << 1;
else std::cout << 0;
};