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    int main() {

    char *s;
    s = malloc(1024 * sizeof(char));
    scanf("%[^\n]", s);
    s = realloc(s, strlen(s) + 1);
    for(int i = 0;s[i]!='\0';i++){
        if(s[i] ==' '){
            s[i] = '\n';
        }
    }
    printf("%s",s);
    
    free(s);
    return 0;
    

    }