#include <iostream>

int main(int argc, char* argv[]) {
	if(argc < 2) return 1;

	int current;
	std::cin >> current;
	int add = 0;
	if(argv[1][0] == '+') {
		if(current < 6) add = 1;
		else if(current < 10) add = 2;
		else if(current < 20) add = 5;
		else if(current < 40) add = 10;
		else if(current < 100) add = 20;
	}
	else if(argv[1][0] == '-') {
		if(current > 40) add = -20;
		else if(current > 20) add = -10;
		else if(current > 10) add = -5;
		else if(current > 6) add = -2;
		else if(current > 1) add = -1;
	}
	else if(argv[1][0] == '=') {
		std::cout << current << "%\n";
		return 0;
	}
	else return 2;
	std::cout << current+add;
	return 0;
}