#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 inpu");
            return 0;
        }
        if (strlen(username)==0||strlen(password)==0||rlen(role)==0{
            printf("Invalid input");
            
        }else{
            printf("%s\n",username);
            printf("%s",role);
            
        }
            return 0;

        
    
}