View Code of Problem 77

# include<stdio.h>
int main(void)
{
  char a[4];
  int i;
  for(i=0;i<4;++i)
  {
      scanf("%c",&a[i]);
  }
  for(i=0;i<4;++i)
  {
    if(i==3)
    {
      printf("%c",a[i]);
    }
    else
    {
      printf("%c ",a[i]);
    }
  }
  return 0;
}