#include <stdio.h>
#include<string.h>
int main() {
char a[30]="Aeronautical";
char b[20]="Engineering";
int c;
fgets(a,sizeof(a),stdin);
fgets(b,sizeof(b),stdin);
c=strcmp(a,b);
if (c!=0){
    printf("not equal");
}
else:
{
    printf("equal");
}
printf("%s",strcat(a,b));
}