void main()
{
    char ch1[100],ch2[100];
    
    unsigned int i,j,s,k=0,chang;
	gets(ch1);
    s=strlen(ch1);
    for(i=0;i<100;i++)
{  
    ch2[i]='\0';
}
	
for(i=0;i<s;i++)
	{
		if (ch1[i]==' ') 
		{
		chang=i-k;
		 for (j=0;j<chang;j++)
		 {  ch2[s-chang-k+j]=ch1[k+j];
		 if (j==chang-1) ch2[s-chang-k-1]=' ';}
		k=i+1;
		}
		
	}
         chang=i-k;
		 for (j=0;j<chang;j++)
		   ch2[s-chang-k+j]=ch1[k+j];
		
    printf("%s",ch2);
}