> #include <stdio.h>
> #include <string.h>
> #include <stdlib.h>
> 
> void Multiply(short *buf,int i,int length,long multi,long carry)
> {
> 	long temp;
> 	if(i>=length)
> 		return;
> 	temp=buf[i]*multi+carry;
> 	buf[i]=temp%10;
> 	Multiply(buf,i+1,length,multi,temp/10);
> }
> 
> void main()
> {
> 	short buf[500];
> 	long data;
> 	long tempdata;
> 	double input;
> 	int trailingzero,leadingzero;
> 	int n;
> 	int i;
> 	short residue;
> 
> 	while(scanf("%lf%d",&input,&n)==2) -2?
> 	{
> 		if(n==0)
> 		{
> 			printf("1\n");
> 			continue;
> 		}
> 
> 		if(input==0.0)
> 		{
> 			printf("0\n");
> 			continue;
> 		}
> 
> 		data=(long)(input*100000);
> 
> 		memset(buf,0,500*sizeof(short));
> 		i=0;
> 		tempdata=data;
> 		while(1)
> 		{
> 			residue=tempdata%10;
> 			buf[i]=residue;
> 			i++;
> 			tempdata=tempdata/10;
> 			if(tempdata==0)
> 				break;
> 		}
> 
> 
> 		for(i=1;i<n;i++)
> 			Multiply(buf,0,i*10+10,data,0);
> 
> 		for(i=0;i<5*n&&buf[i]==0;i++);
> 		trailingzero=i;
> 		for(i=10*n-1;i>(5*n-1)&&buf[i]==0;i--);
> 		leadingzero=i;
> 		for(i=leadingzero;i>=trailingzero;i--)
> 		{
> 			if(i==5*n-1)
> 				printf("%c",'.');
> 			printf("%d",buf[i]);
> 		}
> 		printf("\n");
> 	}
> }