quick guide

The field specification for reading an integer number is:
%wd
the percent sign(%) indicates that a conversion
specification follows. W is an integer number,that specifies
the field width of the number to be read and d known as data
type character, indicates that the number to be read i in
integer mode.

Example: scanf("%2d %5d",&num1,&num2);
data line: 60 13456
the value 60 is assigned to num1 and 13456 to num2.Input
data item must be separated by spaces,tab or new line.
Punctuation mark do not count a separator.Various input format
ting options for reading integers are experimented with in the
program.

Program:
/*Reading integer number*/
main()
{
int a,b,c,m,n;
int i,j,k;
printf("enter three integer numbers \n");
scanf("%d%*d%d",&a,&b,&c);
printf("%d%d%d\n\n",a,b,c);
printf("enter two 4-integer numbers \n");
scanf("%d%4d",&m,&n);
printf("%d%d\n\n",m,n);
printf("enter two integer numbers \n");
scanf("%d%*d%d",&a,&m);
printf("%d%d%d\n\n",a,m);
printf("enter a nine digit numbers \n");
scanf("%3d%4d%3d",&i,&j,&k);
printf("%d%d%d\n\n",i,j,k);
printf("enter two three digits \n");
scanf("%d%*d%d",&m,&n);
printf("%d%d%d\n\n",m,n);
}


Output:
enter three numbers
1 2 3
1 3 -3577
enter two 4-digit numbers
2345 6417
23 45
enter two integers
44 66
4321 44
enter a nine digit number
123456789
66 1234 567
enter two three digit numbers
123 456
89 123