#include <iostream>
#include <cassert>
#include <cctype>
using namespace std;
 
unsigned int get_uint(const std::string &s) {
	unsigned int r = 0U;
	for(auto c : s) {
		assert(std::isdigit(c));
		r = r * 10 + (c - '0');
	}
	return r;
}
 
int main() {
	cout << get_uint("5000000000") << endl;
	return 0;
}
				I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8Y2Fzc2VydD4KI2luY2x1ZGUgPGNjdHlwZT4KdXNpbmcgbmFtZXNwYWNlIHN0ZDsKCnVuc2lnbmVkIGludCBnZXRfdWludChjb25zdCBzdGQ6OnN0cmluZyAmcykgewoJdW5zaWduZWQgaW50IHIgPSAwVTsKCWZvcihhdXRvIGMgOiBzKSB7CgkJYXNzZXJ0KHN0ZDo6aXNkaWdpdChjKSk7CgkJciA9IHIgKiAxMCArIChjIC0gJzAnKTsKCX0KCXJldHVybiByOwp9CgppbnQgbWFpbigpIHsKCWNvdXQgPDwgZ2V0X3VpbnQoIjUwMDAwMDAwMDAiKSA8PCBlbmRsOwoJcmV0dXJuIDA7Cn0=