#include <stdio.h>
struct mystructure {
int mynum;
char myletter;
};

int main() {
struct mystructure s1;
    s1.mynum=13;
    s1.myletter='B';
    printf("my number: %d\n",s1.mynum);
    printf("my letter: %c\n",s1.myletter);
    return 0;
}