#include <stdio.h>

int main() {

    printf("5단\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);
    
    return 0;
}