#include <stdio.h>
void print_integer_as_string(int num) {
// Your logic here
int count=0,a=1,temp;
temp=num;
if (num==0) printf("%d",num);
else
{
if(num<0){
printf("-");
printf(" ");
num=-num;
temp=num;}
while(num>0){
num/=10;
a*=10;
count++;
}
a/=10;
for (int i=0;i<count;i++){
printf("%c",(temp/a)+'0');
if (i<count) printf(" ");
temp%=a;
a/=10;
}}
}
int main() {
int num;
scanf("%d", &num);
print_integer_as_string(num);
return 0;
}