#include<stdio.h>
#include<string.h>
int main(){
    char username[21],password[21],role[21];
    if(scanf("%20s %20s",username,password)!=2){
        printf("Invaild input");
        return 0;
    }
    if(scanf("%20s",role)!=1){
        printf("Invalid input");
        return 0;
    }
    if(strl(username)==0||strlen(password)==0||strlen(role)){
        printf("Invalid input");
        return 0;
    }
    printf("%s\n%s",username,role);
    return 0; 
}