#include <stdio.h>
#include <string.h>

int main(){
char username[21],password[21],role[21];
    if (scanf("%20s %20s",username,password)!=2){
    printf("Invalid input");
    return 0;
}
if(scanf("%20s",role) !=1){
    printf("Invalid input");
    return 0;
    }
    if (strlen(usrename) == 0 || strlen(password) == 0 || strlen(role) == 0){
    printf("%s\n",username);
    printf("%s",role);
    return 0;
}