#include <stdio.h>
#include <stdlib.h>

int main(void) {
    char satz[1000];
    puts("K o p i e r p r o g r a m m\n\n");
    puts("Geben sie einen Satz ein:   \n");
    gets(satz);

    {
        char* readPointer=&satz[0];
        char* writePointer=&satz[0];
        int spaces=1;
        while(*readPointer!='\0'){
            *writePointer=*readPointer;
            ++readPointer;
            if(*readPointer==' ')
                ++spaces;
            else
                spaces=0;
            if(spaces<2)
                ++writePointer;
        }
        *writePointer='\0';
    }

    puts(satz);

    system("PAUSE");
    return 0;
}