#include <stdio.h>

int main() {


    //2-1//
   /*  printf("3단\n");
    printf("%dx%d=%d\n",5,1,5*1);
    printf("%dx%d=%d\n",5,2,5*2);
    printf("%dx%d=%d\n",5,3,5*3);
    printf("%dx%d=%d\n",5,4,5*4);
    printf("%dx%d=%d\n",5,5,5*5);
    printf("%dx%d=%d\n",5,6,5*6);
    printf("%dx%d=%d\n",5,7,5*7);
    printf("%dx%d=%d\n",5,8,5*8);
    printf("%dx%d=%d\n",5,9,5*9);  */


    //2-2//
    printf("%dx%d=%d\n",3,9,3*9);
    printf("%dx%d=%d\n",3,8,3*8);
    printf("%dx%d=%d\n",3,7,3*7);
    printf("%dx%d=%d\n",3,6,3*6);
    printf("%dx%d=%d\n",3,5,3*5);
    printf("%dx%d=%d\n",3,4,3*4);
    printf("%dx%d=%d\n",3,3,3*3);
    printf("%dx%d=%d\n",3,2,3*2);
    printf("%dx%d=%d\n",3,1,3*1);

    

    
    return 0;
}