#include <iostream>
#include <cstdint>
#include <string>
int main() {
std::string line;
while (std::getline(std::cin, line)) {
for (size_t i = 0; i < line.length() - 4; i++) {
for (size_t n = 0; n < 5; n++) {
std::cout << line[i + n];
}
std::cout << '\n';
}
}
}
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