View Code of Problem 77

#include<stdio.h>
int main(){
	int n,k=0;
	int a[4];
	scanf("%d",&n);
	int i;
	for(i=0;i<4;i++){
		a[i]=n%10;
		n=n/10;
	}
	for(i=3;i>=0;i--)
	{
		k++;
		if(k==1)
		{
		printf("%d",a[i]);
		}
		else
		printf(" %d",a[i]);
	}

	
}