#include <stdio.h>

int main() {
    //실습2//
    
    /* printf("Hellow, World");*
    printf("안녕하세요");
    printf("1234567890");
    printf("abcdefg");*/

    //실습3//
    /*printf("Hellow World안녕하세요.12345678abcdefg");*/

     //실습4//
    
    /*printf("Hellow, World\n");
    printf("안녕하세요\n");
    printf("1234567890\n");
    printf("abcdefg\n");*/

    //실습5//
     printf("Hellow World\n안녕하세요.\n12345678\nabcdefg\n");

    return 0;
}