#include<stdio.h>
//#include<bits/stdc++.h>
#include<string.h>
#include<iostream>
#include<math.h>
#include<sstream>
#include<set>
#include<queue>
#include<vector>
#include<algorithm>
#include<limits.h>
#define inf 0x3fffffff
#define lson l,m,rt<<1
#define rson m+1,r,rt<<1|1
#define LL long long
using namespace std;
int pow(int x, int n)
{
    int pw = 1;
    while (n > 0)
    {
        if (n & 1)        // n & 1 等价于 (n % 2) == 1
            pw *= x;
        x *= x;
        n >>= 1;        // n >>= 1 等价于 n /= 2
    }
    return pw;
}
int main()
{
    int p,q;
    int num=1;
    while(cin>>p>>q)
    {
        printf("case %d:%d\n",num++,pow(p,q));
    }
    return 0;
}