#include<iostream>
#include<cstring>
using namespace std;
int data[150],len;
void multiply(int tmp){
    int i,j;
    for(i=0;i<len;i++){
        data[i] *= tmp;
    }
    for(i=0;i<len;i++){
        if(data[i]>=10){
            j = data[i]/10;
            data[i+1] += j;
            data[i] 
 
%= 10;
        }
    }
    while(data[i]>=10){
        data[i+1] = data[i]/10;
        data[i] %= 10;
        i++;
    }
    len = i+1;
}
void expo(int tmp,int n){
    int i;
    for(i=0;i<n;i++){
        multiply(tmp);
    } 
}
int main(){
    int i,j,r,icon,tmp;
    char a[10];
    while(scanf("%s%d
 
",a,&r)==2){
        tmp = 0;
        for(i=0;i<strlen(a);i++){
            if(a[i]=='.'){
                icon = (5-i)*r;
            }
            else{
                tmp += a[i]-'0';
                tmp *= 10;
            }
        }
        tmp /= 10;
        memset(data,0,sizeof(data));
        data[
 
0] = 1;
        len = 1;
        expo(tmp,r);
        j = 0;
        for(i=0;i<icon;i++){
            if(data[i]==0){
                j++;
            }
            else{
                break;
            }
        }
        if(!(len-1==icon&&data[len-1]==0)){
            for(i=len-1;i>icon-1;i--){
                printf("%d",data[i]); 
            }
        }
        if(j!=icon){
            printf(".");
        }
        for(i=icon-1;i>j-1;i--){
            printf("%d",data[i]);
        }
        printf("\n");
    }
    return 0;
}