24 lines
552 B
C++
24 lines
552 B
C++
#include <iostream>
|
|
using namespace std;
|
|
int main()
|
|
{
|
|
int a,b;
|
|
while(scanf("%d%d",&a,&b)!=EOF)
|
|
{
|
|
a%=10;
|
|
if(a==0||a==5||a==6||a==1) printf("%d\n",a);
|
|
else if(a==4||a==9)
|
|
{
|
|
printf("%d\n",b%2==0?a*a%10:a);
|
|
}
|
|
else
|
|
{
|
|
if(b%4==1) printf("%d\n",a);
|
|
else if(b%4==2) printf("%d\n",a*a%10);
|
|
else if(b%4==3) printf("%d\n",a*a*a%10);
|
|
else printf("%d\n",a*a*a*a%10);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|