#include <iostream>
using namespace std;

void ext_bef(char* input, char* output) //prende solo char prima degli spazi
{
while (*input != ' ') {
*output = *input;
input++;
output++;
}
*output = '\0';
}

void ext_late(char* input, char* output) //prende solo char dopo gli spazi
{
while (*input != ' ') input++; //passa i char prima dello spazio
while (*input == ' ') input++; //passa gli spazi
while (*input)
{
*output = *input;
input++;
output++;
}
*output = '\0';
}

int main()
{
char inputline[100];
cin.getline(inputline,100);
char bef_space[100];
ext_bef(inputline, bef_space);
char *p_bef_space = bef_space;
char late_space[100];
ext_late(inputline, late_space);
char *p_late_space = &late_space[0];
cout << p_late_space << endl << p_bef_space;
}