#include <stdio.h>
int main()
{
int a;
int b;
int c;
int count = 0;
for(a = 1; a <= 5;a++)
{
for(b = 1; b <= 5;b++)
{
for(c = 1;c <= 5;c++)
{
if((a != b) && (a != c) && (b != c))
{
printf("a borrow %d ,b borrow %d,c borrow %d\n",a,b,c);
count++;
}
}
}
}
printf("there have %d ways to do it\n",count);
return 0;
}